{"id":6798,"date":"2026-09-11T09:21:31","date_gmt":"2026-09-11T00:21:31","guid":{"rendered":"https:\/\/cacco.co.jp\/datascience\/media\/?p=6798"},"modified":"2026-09-11T09:21:31","modified_gmt":"2026-09-11T00:21:31","slug":"csv%e3%81%a8excel%ef%bc%88%e3%82%a8%e3%82%af%e3%82%bb%e3%83%ab%ef%bc%89%e3%81%ae5%e3%81%a4%e3%81%ae%e9%81%95%e3%81%84%ef%bd%9c%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e5%b4%a9%e3%81%95%e3%81%9a%e6%89%b1","status":"publish","type":"post","link":"https:\/\/cacco.co.jp\/datascience\/media\/data-analysis-environment\/6798\/","title":{"rendered":"CSV\u3068Excel\uff08\u30a8\u30af\u30bb\u30eb\uff09\u306e5\u3064\u306e\u9055\u3044\uff5c\u30c7\u30fc\u30bf\u3092\u5d29\u3055\u305a\u6271\u3046\u305f\u3081\u306e\u5b9f\u52d9\u30ac\u30a4\u30c9"},"content":{"rendered":"<div class=\"tcdce-body\"><p>\u300cCSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\uff08\u30a8\u30af\u30bb\u30eb\uff09\u30d5\u30a1\u30a4\u30eb\u306f\u4f55\u304c\u9055\u3046\u306e\uff1f\u300d<br \/>\n\u300cCSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u7de8\u96c6\u3057\u3066\u3082\u3001\u30c7\u30fc\u30bf\u306f\u5909\u308f\u3089\u306a\u3044\u306e\uff1f\u300d<\/p>\n<p>\u3068\u3001\u7591\u554f\u306b\u601d\u3063\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/p>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u4fdd\u5b58\u5f62\u5f0f\u3001\u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2\u3001\u4f7f\u3048\u308b\u6a5f\u80fd\u3001\u66f8\u5f0f\u8a2d\u5b9a\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e5\u3064\u3067\u3059\u3002<\/strong><\/p>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u3060\u3051\u3067\u306f\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u66f8\u304d\u63db\u308f\u308a\u307e\u305b\u3093\u304c\u3001\u76f4\u63a5\u958b\u3044\u305f\u969b\u306b\u5148\u982d\u306e0\u3084\u65e5\u4ed8\u3001\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u306a\u3069\u304c\u81ea\u52d5\u5909\u63db\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u306e\u307e\u307e\u4e0a\u66f8\u304d\u4fdd\u5b58\u3059\u308b\u3068\u5909\u63db\u5f8c\u306e\u5024\u304c\u5143\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3078\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u51fa\u529b\u30fb\u53d7\u9818\u3057\u305f\u3082\u306e\u306e\u3001Excel\u30d5\u30a1\u30a4\u30eb\u3068\u306e\u9055\u3044\u3084\u6271\u3044\u65b9\u304c\u5206\u304b\u3089\u306a\u3044\u62c5\u5f53\u8005\u306b\u5411\u3051\u3066\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306e5\u3064\u306e\u9055\u3044<\/li>\n<li>\u30c7\u30fc\u30bf\u306e\u7528\u9014\u30fb\u5171\u6709\u76f8\u624b\u306e\u74b0\u5883\u30fb\u5bb9\u91cf\u3084\u51e6\u7406\u901f\u5ea6\u30fb\u81ea\u52d5\u5316\u306e\u65b9\u6cd5\u306b\u5fdc\u3058\u305fCSV\u3068Excel\u306e\u9078\u3073\u65b9<\/li>\n<li>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u304f\u30fb\u53d6\u308a\u8fbc\u3080\u30fbExcel\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5<\/li>\n<li>CSV\u3068Excel\u306e\u4f75\u7528\u65b9\u6cd5\u3084\u3001CSV\u306e\u884c\u6570\u30fb\u30ab\u30f3\u30de\u30fb\u6539\u884c\u306b\u95a2\u3059\u308b\u7591\u554f<\/li>\n<li>Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9<\/li>\n<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001CSV\u3068Excel\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u3001\u696d\u52d9\u306e\u76ee\u7684\u306b\u5408\u3046\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u9078\u3073\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u306e\u610f\u56f3\u3057\u306a\u3044\u5909\u5316\u3092\u9632\u3052\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/cacco.co.jp\/datascience\/?ref_type=dsmedia_\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6558\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png\" alt=\"Cacco_datascience\" width=\"1024\" height=\"300\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-300x88.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-768x225.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-400x117.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-800x234.png 800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<div class=\"cardlink\">\r\n<div class=\"cardlink_thumbnail\"><img loading=\"lazy\" decoding=\"async\" class=\"jetpack-lazy-image jetpack-lazy-image--handled\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/04\/20260424.png\" alt=\"\u304b\u3063\u3053\u682a\u5f0f\u4f1a\u793e\u3000\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u62c5\u5f53\u3000\u524d\u7530\u590f\u5e0c\" width=\"120\" height=\"120\" data-lazy-loaded=\"1\" \/><\/div>\r\n<div class=\"cardlink_content\"><span class=\"timestamp\">\u8a18\u4e8b\u76e3\u4fee<\/span>\r\n<div class=\"cardlink_title\"><strong>Cacco \u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30c1\u30fc\u30e0<br \/>\u524d\u7530 \u590f\u5e0c<\/strong><\/div>\r\n<div class=\"cardlink_excerpt\">\u30c7\u30fc\u30bf\u6d3b\u7528\u306b\u521d\u3081\u3066\u89e6\u308c\u308b\u30d3\u30b8\u30cd\u30b9\u30d1\u30fc\u30bd\u30f3\u3084\u5b66\u751f\u306b\u5411\u3051\u3066\u3001\u793e\u5185\u306e\u5c02\u9580\u5bb6\u3068\u9023\u643a\u3057\u3001\u9ad8\u5ea6\u306a\u5206\u6790\u30ce\u30a6\u30cf\u30a6\u3092\u300c\u660e\u65e5\u304b\u3089\u4f7f\u3048\u308b\u5f62\u300d\u306b\u6574\u7406\u3057\u3066\u767a\u4fe1\u3002\u8aad\u8005\u304c\u62b1\u3048\u308b\u300c\u306a\u305c\uff1f\u300d\u300c\u3069\u3046\u3084\u3063\u3066\uff1f\u300d\u306b\u5bc4\u308a\u6dfb\u3046\u30b3\u30f3\u30c6\u30f3\u30c4\u5236\u4f5c\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u3002<\/div>\r\n<\/div>\r\n<\/div>\n<h2>CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306e5\u3064\u306e\u9055\u3044<\/h2>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u306f\u300c\u6587\u5b57\u3084\u6570\u5024\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u4fdd\u5b58\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u300d\u3001Excel\u30d5\u30a1\u30a4\u30eb\u306f\u300c\u6570\u5f0f\u30fb\u66f8\u5f0f\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3082\u4fdd\u5b58\u3067\u304d\u308b\u30d6\u30c3\u30af\u5f62\u5f0f\u300d\u3067\u3059\u3002<\/strong><\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u672b\u5c3e\u304c\u300c.csv\u300d\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3068\u3001\u73fe\u5728\u306e\u6a19\u6e96\u5f62\u5f0f\u3067\u3042\u308b\u300c.xlsx\u300d\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e21\u8005\u3092\u6bd4\u3079\u308b\u30dd\u30a4\u30f3\u30c8\u306f5\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>1. \u30d5\u30a1\u30a4\u30eb\u306e\u4fdd\u5b58\u5f62\u5f0f<\/li>\n<li>2. \u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2<\/li>\n<li>3. \u6570\u5f0f\u3084\u8907\u6570\u30b7\u30fc\u30c8\u306a\u3069\u306e\u6a5f\u80fd<\/li>\n<li>4. \u8272\u3084\u7f6b\u7dda\u306a\u3069\u306e\u66f8\u5f0f\u8a2d\u5b9a<\/li>\n<li>5. \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/li>\n<\/ul>\n<p>\u307e\u305a\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u9055\u3044\u3092\u6bd4\u8f03\u8868\u3067\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"s_table\"><table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 22%;\"><strong>\u6bd4\u8f03\u9805\u76ee<\/strong><\/th>\n<th style=\"width: 39%;\"><strong>CSV\u30d5\u30a1\u30a4\u30eb<\/strong><\/th>\n<th style=\"width: 39%;\"><strong>Excel\u30d5\u30a1\u30a4\u30eb<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 22%;\"><strong>\u30d5\u30a1\u30a4\u30eb\u306e\u4fdd\u5b58\u5f62\u5f0f<\/strong><\/td>\n<td style=\"width: 39%;\">\u6587\u5b57\u3084\u6570\u5024\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u8a18\u9332\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\uff08.csv\uff09<\/td>\n<td style=\"width: 39%;\">\u8868\u3084\u30b7\u30fc\u30c8\u306a\u3069\u30921\u3064\u306e\u30d6\u30c3\u30af\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u5f62\u5f0f\uff08.xlsx\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22%;\"><strong>\u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2<\/strong><\/td>\n<td style=\"width: 39%;\">\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3084\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\uff08Excel\u306a\u3069\uff09\u3084\u3001CSV\u306e\u8aad\u307f\u8fbc\u307f\u306b\u5bfe\u5fdc\u3057\u305f\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u6271\u3048\u308b<\/td>\n<td style=\"width: 39%;\">\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\uff08Excel\u306a\u3069\uff09\u3084\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u306b\u5bfe\u5fdc\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30fb\u30b7\u30b9\u30c6\u30e0\u3067\u6271\u3048\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22%;\"><strong>\u6570\u5f0f\u3084\u8907\u6570\u30b7\u30fc\u30c8\u306a\u3069\u306e\u6a5f\u80fd<\/strong><\/td>\n<td style=\"width: 39%;\">\u6587\u5b57\u3084\u6570\u5024\u3092\u3059\u3079\u3066\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b<\/td>\n<td style=\"width: 39%;\">\u6570\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u306a\u3069\u3092\u4fdd\u5b58\u3067\u304d\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22%;\"><strong>\u8272\u3084\u7f6b\u7dda\u306a\u3069\u306e\u66f8\u5f0f\u8a2d\u5b9a<\/strong><\/td>\n<td style=\"width: 39%;\">\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u30d5\u30a9\u30f3\u30c8\u306a\u3069\u3092\u4fdd\u5b58\u3067\u304d\u306a\u3044<\/td>\n<td style=\"width: 39%;\">\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u30d5\u30a9\u30f3\u30c8\u306a\u3069\u3092\u4fdd\u5b58\u3067\u304d\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22%;\"><strong>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/strong><\/td>\n<td style=\"width: 39%;\">\u66f8\u5f0f\u3084\u30b0\u30e9\u30d5\u3092\u542b\u307e\u306a\u3044\u305f\u3081\u3001\u5bb9\u91cf\u3092\u6291\u3048\u3084\u3059\u3044<\/td>\n<td style=\"width: 39%;\">Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u306f\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3057\u3066\u4fdd\u5b58\u3059\u308b\u305f\u3081\u3001\u5185\u5bb9\u306b\u3088\u3063\u3066\u306fCSV\u30d5\u30a1\u30a4\u30eb\u3088\u308a\u5c0f\u3055\u304f\u306a\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>CSV\u3068Excel\u306e\u3069\u3061\u3089\u304b\u304c\u5e38\u306b\u512a\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u6570\u5f0f\u3084\u66f8\u5f0f\u3092\u6b8b\u3059\u5fc5\u8981\u304c\u3042\u308b\u304b\u3001\u3069\u306e\u30bd\u30d5\u30c8\u3084\u30b7\u30b9\u30c6\u30e0\u3067\u30c7\u30fc\u30bf\u3092\u4f7f\u3046\u304b\u306b\u3088\u3063\u3066\u9069\u3057\u305f\u5f62\u5f0f\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u306f\u30015\u3064\u306e\u9055\u3044\u3092\u9806\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>1. \u30d5\u30a1\u30a4\u30eb\u306e\u4fdd\u5b58\u5f62\u5f0f<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u306f\u6587\u5b57\u3084\u6570\u5024\u3092\u533a\u5207\u3063\u3066\u4e26\u3079\u308b\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3001Excel\u30d5\u30a1\u30a4\u30eb\u306f\u8868\u3084\u30b7\u30fc\u30c8\u306a\u3069\u3092\u307e\u3068\u3081\u3066\u4fdd\u5b58\u3059\u308b\u30d6\u30c3\u30af\u5f62\u5f0f\u3067\u3059\u3002<\/strong><\/p>\n<p>CSV\u306f\u300cComma-Separated Values\u300d\u306e\u7565\u3067\u3001\u4e00\u822c\u7684\u306b\u306f\u5217\u3092\u30ab\u30f3\u30de\u3001\u884c\u3092\u6539\u884c\u3067\u533a\u5207\u308a\u3001\u62e1\u5f35\u5b50\u300c.csv\u300d\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067\u958b\u3044\u305f\u753b\u9762\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6825\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1.png\" alt=\"CSV\u30d5\u30a1\u30a4\u30eb\u3092\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067\u958b\u304d\u6587\u5b57\u3084\u6570\u5024\u304c\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u3066\u3044\u308b\u753b\u9762\" width=\"1500\" height=\"518\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1.png 1500w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-300x104.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-1024x354.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-768x265.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-400x138.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-800x276.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-file-opened-in-text-editor-1-1200x414.png 1200w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/p>\n<p>Excel\u3067\u306f\u30bb\u30eb\u306b\u5206\u304b\u308c\u3066\u8868\u793a\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3082\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u90e8\u3067\u306f\u30ab\u30f3\u30de\u3068\u6539\u884c\u3067\u533a\u5207\u3089\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Microsoft\u306f\u3001Excel\u3067\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3082\u5f62\u5f0f\u306f\u5909\u66f4\u3055\u308c\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u62e1\u5f35\u5b50\uff08.txt\u3084.csv\u306a\u3069\uff09\u306f\u4fdd\u6301\u3055\u308c\u308b\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/support.microsoft.com\/ja-JP\/Excel\/get-started\/import-or-export-text-txt-or-csv-files\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6826\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1.png\" alt=\"CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u3082\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306f\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u3092\u793a\u3059Microsoft\u516c\u5f0f\u8cc7\u6599\" width=\"2132\" height=\"530\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1.png 2132w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-300x75.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-1024x255.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-768x191.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-1536x382.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-2048x509.png 2048w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-400x99.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-800x199.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-opened-in-excel-file-format-1-1200x298.png 1200w\" sizes=\"auto, (max-width: 2132px) 100vw, 2132px\" \/><\/a><\/p>\n<div style=\"text-align: right;\"><span style=\"font-size: 10pt;\">\u5f15\u7528\uff1a<a href=\"https:\/\/support.microsoft.com\/ja-JP\/Excel\/get-started\/import-or-export-text-txt-or-csv-files\" target=\"_blank\" rel=\"noopener\">Microsoft\u300c\u30c6\u30ad\u30b9\u30c8\uff08.txt\u307e\u305f\u306f.csv\uff09\u30d5\u30a1\u30a4\u30eb\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u307e\u305f\u306f\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u300d<\/a><\/span><\/div>\n<p>\u4e00\u65b9\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u672b\u5c3e\u304c\u300c.xlsx\u300d\u306eExcel\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30bb\u30eb\u306e\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3084\u6570\u5f0f\u3001\u66f8\u5f0f\u306a\u3069\u306e\u60c5\u5831\u3092\u307e\u3068\u3081\u3066\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001Excel\u306e\u753b\u9762\u3067\u8868\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3066\u3082\u3001\u62e1\u5f35\u5b50\u304c\u300c.csv\u300d\u3067\u3042\u308c\u3070CSV\u5f62\u5f0f\u306e\u307e\u307e\u3067\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3078\u5909\u63db\u3059\u308b\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u304b\u3089\u300cExcel \u30d6\u30c3\u30af\uff08*.xlsx\uff09\u300d\u3092\u9078\u3093\u3067\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>2. \u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u306f\u3001Excel\u306a\u3069\u306e\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\u3084\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067\u958b\u3051\u308b\u307b\u304b\u3001CSV\u306e\u8aad\u307f\u8fbc\u307f\u6a5f\u80fd\u3092\u5099\u3048\u305f\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u53d6\u308a\u8fbc\u3081\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4e00\u65b9\u3001Excel\u30d5\u30a1\u30a4\u30eb\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u306f\u3001\u76f8\u624b\u306e\u74b0\u5883\u304cExcel\u5f62\u5f0f\uff08.xlsx\uff09\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3082\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u3084\u533a\u5207\u308a\u6587\u5b57\u304c\u53d6\u308a\u8fbc\u307f\u5148\u306e\u4ed5\u69d8\u3068\u5408\u308f\u306a\u3051\u308c\u3070\u3001\u6587\u5b57\u5316\u3051\u3084\u5217\u305a\u308c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p class=\"well2\">\u6587\u5b57\u30b3\u30fc\u30c9\u3068\u306f\u3001\u6587\u5b57\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u4e0a\u306e\u30c7\u30fc\u30bf\u3068\u3057\u3066\u8868\u3059\u65b9\u5f0f\u3067\u3001UTF-8\u3084Shift_JIS\u304c\u4ee3\u8868\u4f8b\u3067\u3059\u3002<\/p>\n<h3>3. \u6570\u5f0f\u3084\u8907\u6570\u30b7\u30fc\u30c8\u306a\u3069\u306e\u6a5f\u80fd<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001\u6587\u5b57\u3084\u6570\u5024\u304c\u3059\u3079\u3066\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3001Excel\u30d5\u30a1\u30a4\u30eb\u306e\u6570\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3068\u3044\u3063\u305f\u6a5f\u80fd\u306f\u4fdd\u6301\u3055\u308c\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u9078\u629e\u3057\u3066\u3044\u308b\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306e\u6587\u5b57\u3068\u5024\u304c\u4fdd\u5b58\u3055\u308c\u3001\u6570\u5f0f\u3084\u30b0\u30e9\u30d5\u3001\u307b\u304b\u306e\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306f\u4fdd\u6301\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u65b9\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u306f\u3001\u6570\u5f0f\u3084\u30b0\u30e9\u30d5\u3001\u8907\u6570\u306e\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306a\u3069\u30921\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"s_table\"><table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 30%;\"><strong>\u4fdd\u5b58\u3067\u304d\u308b\u5185\u5bb9<\/strong><\/th>\n<th style=\"width: 35%;\"><strong>Excel\u5f62\u5f0f\uff08.xlsx\uff09<\/strong><\/th>\n<th style=\"width: 35%;\"><strong>CSV\u5f62\u5f0f\uff08.csv\uff09<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 30%;\"><strong>\u6570\u5f0f<\/strong><\/td>\n<td style=\"width: 35%;\">\u6570\u5f0f\u3068\u8a08\u7b97\u7d50\u679c\u3092\u4fdd\u6301\u3067\u304d\u308b<\/td>\n<td style=\"width: 35%;\">\u901a\u5e38\u306f\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u8a08\u7b97\u7d50\u679c\u306e\u5024\u304c\u6b8b\u308a\u3001\u6570\u5f0f\u81ea\u4f53\u306f\u4fdd\u6301\u3055\u308c\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 30%;\"><strong>\u30b0\u30e9\u30d5<\/strong><\/td>\n<td style=\"width: 35%;\">\u4fdd\u6301\u3067\u304d\u308b<\/td>\n<td style=\"width: 35%;\">\u4fdd\u6301\u3067\u304d\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 30%;\"><strong>\u8907\u6570\u306e\u30ef\u30fc\u30af\u30b7\u30fc\u30c8<\/strong><\/td>\n<td style=\"width: 35%;\">\u8907\u6570\u306e\u30b7\u30fc\u30c8\u3092\u4fdd\u5b58\u3067\u304d\u308b<\/td>\n<td style=\"width: 35%;\">\u9078\u629e\u3057\u3066\u3044\u308b1\u3064\u306e\u30b7\u30fc\u30c8\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3092\u4fdd\u5b58\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u4f8b\u3048\u3070\u3001Excel\u3067\u300c\u5358\u4fa1\u00d7\u6570\u91cf\u300d\u306e\u6570\u5f0f\u3092\u8a2d\u5b9a\u3057\u305f\u30bb\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u901a\u5e38\u306f\u8a08\u7b97\u7d50\u679c\u306e\u5024\u304c\u6b8b\u308a\u3001\u8a08\u7b97\u306b\u4f7f\u3063\u305f\u6570\u5f0f\u81ea\u4f53\u306f\u5931\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u76f4\u3057\u3066\u5358\u4fa1\u3084\u6570\u91cf\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u5143\u306e\u6570\u5f0f\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u8a08\u7b97\u7d50\u679c\u306f\u81ea\u52d5\u3067\u66f4\u65b0\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u8a08\u7b97\u5f0f\u3084\u96c6\u8a08\u904e\u7a0b\u3092\u6b8b\u3057\u3066\u7d99\u7d9a\u7684\u306b\u7de8\u96c6\u3059\u308b\u5834\u5408\u306f\u3001\u4f5c\u696d\u7528\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3082\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>4. \u8272\u3084\u7f6b\u7dda\u306a\u3069\u306e\u66f8\u5f0f\u8a2d\u5b9a<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u30d5\u30a9\u30f3\u30c8\u30fb\u6587\u5b57\u30b5\u30a4\u30ba\u306a\u3069\u306e\u66f8\u5f0f\u3092\u4fdd\u5b58\u3067\u304d\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u8272\u3084\u7f6b\u7dda\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001CSV\u5f62\u5f0f\u306e\u307e\u307e\u4fdd\u5b58\u3059\u308b\u3068\u3001\u8ffd\u52a0\u3057\u305f\u66f8\u5f0f\u306f\u5931\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u8272\u30fb\u592a\u5b57\u30fb\u7f6b\u7dda\u3092\u8a2d\u5b9a\u3057\u305f\u8868\u3092Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u4fdd\u5b58\u3057\u305f\u753b\u9762\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6813\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save.png\" alt=\"Excel\u5f62\u5f0f\u3067\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u592a\u5b57\u3092\u8a2d\u5b9a\u3057\u305f\u5546\u54c1\u30c7\u30fc\u30bf\u306e\u8868\" width=\"1284\" height=\"530\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save.png 1284w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-300x124.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-1024x423.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-768x317.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-400x165.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-800x330.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-formatting-before-csv-save-1200x495.png 1200w\" sizes=\"auto, (max-width: 1284px) 100vw, 1284px\" \/><\/p>\n<p>\u3053\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u3001\u3044\u3063\u305f\u3093\u9589\u3058\u3066\u304b\u3089Excel\u3067\u958b\u304d\u76f4\u3059\u3068\u3001\u6587\u5b57\u3084\u6570\u5024\u306f\u6b8b\u308a\u307e\u3059\u304c\u3001\u8a2d\u5b9a\u3057\u305f\u66f8\u5f0f\u306f\u4fdd\u6301\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6814\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen.png\" alt=\"CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u3066\u958b\u304d\u76f4\u3057\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u592a\u5b57\u304c\u5931\u308f\u308c\u305f\u5546\u54c1\u30c7\u30fc\u30bf\u306e\u8868\" width=\"1278\" height=\"512\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen.png 1278w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-300x120.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-1024x410.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-768x308.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-400x160.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-800x321.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-formatting-after-reopen-1200x481.png 1200w\" sizes=\"auto, (max-width: 1278px) 100vw, 1278px\" \/><\/p>\n<p>CSV\u5f62\u5f0f\u3067\u958b\u304d\u76f4\u3057\u305f\u753b\u9762\u306b\u30bb\u30eb\u306e\u67a0\u304c\u898b\u3048\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306fExcel\u304c\u8868\u793a\u3057\u3066\u3044\u308b\u30b0\u30ea\u30c3\u30c9\u7dda\u3067\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u81ea\u4f53\u306b\u3001\u30bb\u30eb\u306e\u8272\u3084\u7f6b\u7dda\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u898b\u305f\u76ee\u3092\u6574\u3048\u305f\u8868\u3084\u8cc7\u6599\u3092\u5171\u6709\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u66f8\u5f0f\u3092\u4fdd\u6301\u3067\u304d\u308bExcel\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>5. \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u306f\u5bb9\u91cf\u3092\u6291\u3048\u3084\u3059\u3044\u5f62\u5f0f\u3067\u3059\u304c\u3001\u5fc5\u305aExcel\u30d5\u30a1\u30a4\u30eb\u3088\u308a\u5c0f\u3055\u304f\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306f\u66f8\u5f0f\u3084\u30b0\u30e9\u30d5\u306a\u3069\u3092\u542b\u307e\u306a\u3044\u305f\u3081\u5bb9\u91cf\u3092\u6291\u3048\u3084\u3059\u3044\u4e00\u65b9\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u306f\u30d5\u30a1\u30a4\u30eb\u5185\u90e8\u306e\u30c7\u30fc\u30bf\u3092ZIP\u5727\u7e2e\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u5185\u5bb9\u306b\u3088\u3063\u3066\u306fExcel\u30d5\u30a1\u30a4\u30eb\u306e\u65b9\u304c\u5c0f\u3055\u304f\u306a\u308b\u5834\u5408\u3082\u3042\u308b\u305f\u3081\u3001\u5bb9\u91cf\u3092\u91cd\u8996\u3059\u308b\u3068\u304d\u306f\u3001\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3068\u30e1\u30fc\u30eb\u3084\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u6271\u3048\u308b\u5bb9\u91cf\u306e\u4e0a\u9650\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>CSV\u3068Excel\u306f\u3069\u3063\u3061\u304c\u304a\u3059\u3059\u3081\uff1f4\u3064\u306e\u9078\u3073\u65b9<\/h2>\n<p><strong>CSV\u3068Excel\u306e\u3069\u3061\u3089\u304c\u9069\u3059\u308b\u304b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u7528\u9014\u3084\u5171\u6709\u76f8\u624b\u306e\u74b0\u5883\u3001\u696d\u52d9\u3067\u91cd\u8996\u3059\u308b\u6761\u4ef6\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4e3b\u306a\u5224\u65ad\u57fa\u6e96\u306f\u6b21\u306e4\u3064\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u3010\u9078\u3073\u65b91\u3011\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u3067\u9078\u3076<\/li>\n<li>\u3010\u9078\u3073\u65b92\u3011\u5171\u6709\u76f8\u624b\u306e\u74b0\u5883\uff08\u30b9\u30de\u30db\u30fbMac\u30fb\u4ed6\u793e\uff09\u3067\u9078\u3076<\/li>\n<li>\u3010\u9078\u3073\u65b93\u3011\u5bb9\u91cf\u306e\u8efd\u3055\u3068\u51e6\u7406\u901f\u5ea6\u3067\u9078\u3076<\/li>\n<li>\u3010\u9078\u3073\u65b94\u3011\u81ea\u52d5\u5316\uff08\u30d7\u30ed\u30b0\u30e9\u30e0\u30fb\u30de\u30af\u30ed\uff09\u306e\u3057\u3084\u3059\u3055\u3067\u9078\u3076<\/li>\n<\/ul>\n<p>CSV\u3068Excel\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u3060\u3051\u306b\u7d5e\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u53d7\u3051\u6e21\u3057\u306b\u306fCSV\u5f62\u5f0f\u3001\u52a0\u5de5\u306b\u306fExcel\u3092\u4f7f\u3046\u306a\u3069\u3001\u7528\u9014\u306b\u5fdc\u3058\u30661\u3064\u306e\u696d\u52d9\u3067\u4f75\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"csv-excel-use-case\">\u3010\u9078\u3073\u65b91\u3011\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u3067\u9078\u3076<\/h3>\n<p><strong>\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u30c7\u30fc\u30bf\u306e\u53d7\u3051\u6e21\u3057\u306b\u306fCSV\u5f62\u5f0f\u304c\u3088\u304f\u4f7f\u308f\u308c\u3001\u6570\u5f0f\u3084\u30b0\u30e9\u30d5\u3092\u4f7f\u3063\u3066\u96c6\u8a08\u30fb\u53ef\u8996\u5316\u3059\u308b\u5834\u5408\u306fExcel\u5f62\u5f0f\uff08.xlsx\uff09\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>\u3053\u3053\u3067\u3044\u3046CSV\u51fa\u529b\u3068\u306f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3084Web\u30b5\u30fc\u30d3\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u3092\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u53d6\u308a\u51fa\u3059\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u4e3b\u306a\u4f7f\u3044\u5206\u3051\u306e\u4f8b\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>CSV\u5f62\u5f0f\u3092\u4f7f\u3046\u4f8b\uff1a<\/strong>\u5546\u54c1\u60c5\u5831\u306e\u4e00\u62ec\u767b\u9332\u3001\u58f2\u4e0a\u30c7\u30fc\u30bf\u306e\u51fa\u529b\u3001\u4f1a\u8a08\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u4ed5\u8a33\u30c7\u30fc\u30bf\u306e\u767b\u9332<\/li>\n<li><strong>Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3092\u4f7f\u3046\u4f8b\uff1a<\/strong>\u6708\u5225\u58f2\u4e0a\u306e\u96c6\u8a08\u3001\u4e88\u7b97\u3068\u5b9f\u7e3e\u306e\u6bd4\u8f03\u3001\u30b0\u30e9\u30d5\u3092\u4f7f\u3063\u305f\u5831\u544a\u8cc7\u6599\u306e\u4f5c\u6210<\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u3001EC\u30b5\u30a4\u30c8\u306e\u5546\u54c1\u60c5\u5831\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001CSV\u3067\u51fa\u529b\u3057\u305f\u5546\u54c1\u30c7\u30fc\u30bf\u3092Excel\u3067\u52a0\u5de5\u3057\u3001\u6307\u5b9a\u3055\u308c\u305fCSV\u5f62\u5f0f\u3067\u518d\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6830\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow.png\" alt=\"EC\u30b5\u30a4\u30c8\u306e\u5546\u54c1\u60c5\u5831\u66f4\u65b0\u3067CSV\u539f\u672c\u3092\u4fdd\u7ba1\u3057\u3001Excel\u4f5c\u696d\u7528\u30d5\u30a1\u30a4\u30eb\u3068CSV\u63d0\u51fa\u7528\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3044\u5206\u3051\u308b\u6d41\u308c\" width=\"1580\" height=\"960\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow.png 1580w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-300x182.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-1024x622.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-768x467.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-1536x933.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-400x243.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-800x486.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-excel-product-update-workflow-1200x729.png 1200w\" sizes=\"auto, (max-width: 1580px) 100vw, 1580px\" \/><\/p>\n<p>\u539f\u672c\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u4e0a\u66f8\u304d\u305b\u305a\u306b\u6b8b\u3057\u3066\u304a\u3051\u3070\u3001\u52a0\u5de5\u4e2d\u306b\u5024\u304c\u5909\u308f\u3063\u305f\u5834\u5408\u3082\u3001\u51fa\u529b\u30fb\u53d7\u9818\u3057\u305f\u6642\u70b9\u306e\u30c7\u30fc\u30bf\u3068\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6570\u5f0f\u30fb\u66f8\u5f0f\u30fb\u8ffd\u52a0\u3057\u305f\u5217\u3092\u6b8b\u3059\u4f5c\u696d\u7528\u30d5\u30a1\u30a4\u30eb\u306f\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u63d0\u51fa\u6642\u306f\u3001\u4f5c\u696d\u7528\u306eExcel\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u63d0\u51fa\u5bfe\u8c61\u306e\u30b7\u30fc\u30c8\u3092\u9078\u3073\u3001\u63d0\u51fa\u5148\u304c\u6307\u5b9a\u3057\u305f\u9805\u76ee\u540d\u30fb\u5217\u9806\u30fbCSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u3010\u9078\u3073\u65b92\u3011\u5171\u6709\u76f8\u624b\u306e\u74b0\u5883\uff08\u30b9\u30de\u30db\u30fbMac\u30fb\u4ed6\u793e\uff09\u3067\u9078\u3076<\/h3>\n<p><strong>\u30d5\u30a1\u30a4\u30eb\u3092\u5171\u6709\u3059\u308b\u3068\u304d\u306f\u3001\u4f5c\u6210\u8005\u306ePC\u3067\u958b\u3051\u308b\u304b\u3067\u306f\u306a\u304f\u3001\u5171\u6709\u76f8\u624b\u306e\u7aef\u672b\u30fb\u30bd\u30d5\u30c8\u3084\u53d6\u308a\u8fbc\u307f\u5148\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u6b63\u3057\u304f\u6271\u3048\u308b\u5f62\u5f0f\u3092\u9078\u3073\u307e\u3059\u3002<\/strong><\/p>\n<p>\u6587\u5b57\u30fb\u6570\u5024\u3060\u3051\u3092\u5171\u6709\u3059\u308b\u306a\u3089CSV\u5f62\u5f0f\u3001\u6570\u5f0f\u30fb\u66f8\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3082\u6b8b\u3059\u306a\u3089Excel\u5f62\u5f0f\uff08.xlsx\uff09\u304c\u5019\u88dc\u3067\u3059\u3002<\/p>\n<p>\u3069\u3061\u3089\u306e\u5f62\u5f0f\u3092\u4f7f\u3046\u5834\u5408\u3082\u3001\u5171\u6709\u30fb\u63d0\u51fa\u30fb\u767b\u9332\u306e\u524d\u306b\u6b21\u306e5\u70b9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u63d0\u51fa\u5148\u30fb\u767b\u9332\u5148\u304b\u3089\u6307\u5b9a\u3055\u308c\u305f\u62e1\u5f35\u5b50\u30fb\u6587\u5b57\u30b3\u30fc\u30c9\u30fb\u533a\u5207\u308a\u6587\u5b57<\/li>\n<li>\u5171\u6709\u76f8\u624b\u306f\u95b2\u89a7\u3060\u3051\u3067\u306a\u304f\u3001\u7de8\u96c6\u3084\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u53d6\u308a\u8fbc\u307f\u3082\u884c\u3046\u304b<\/li>\n<li>\u5171\u6709\u76f8\u624b\u304c\u4f7f\u7528\u3059\u308b\u7aef\u672b\u3068\u30bd\u30d5\u30c8\u30fb\u30a2\u30d7\u30ea<\/li>\n<li>\u6570\u5f0f\u30fb\u66f8\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3092\u6b8b\u3059\u5fc5\u8981\u304c\u3042\u308b\u304b<\/li>\n<li>\u63d0\u51fa\u5148\u30fb\u767b\u9332\u5148\u304b\u3089\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u30fb\u9805\u76ee\u540d\u30fb\u5217\u9806<\/li>\n<\/ul>\n<p>\u30b9\u30de\u30db\u3084Mac\u3067\u3082\u5bfe\u5fdc\u30a2\u30d7\u30ea\u3092\u4f7f\u3048\u3070CSV\u30d5\u30a1\u30a4\u30eb\u3084Excel\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3051\u307e\u3059\u304c\u3001\u8868\u793a\u30fb\u7de8\u96c6\u3067\u304d\u308b\u6a5f\u80fd\u306f\u30a2\u30d7\u30ea\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u5171\u6709\u3059\u308b\u5834\u5408\u306f\u3001\u76f8\u624b\u306e\u30a2\u30d7\u30ea\u304c\u3001\u5171\u6709\u3059\u308bCSV\u30d5\u30a1\u30a4\u30eb\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u6587\u5b57\u30b3\u30fc\u30c9\u3084\u533a\u5207\u308a\u6587\u5b57\u3092\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u3081\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ed6\u793e\u3078\u306e\u63d0\u51fa\u3084\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u767b\u9332\u3067\u306f\u3001\u300c\u3069\u306e\u7aef\u672b\u3067\u3082\u958b\u3051\u308b\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u63d0\u51fa\u5148\u3084\u767b\u9332\u5148\u304c\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3068\u6761\u4ef6\u3092\u512a\u5148\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u3010\u9078\u3073\u65b93\u3011\u5bb9\u91cf\u306e\u8efd\u3055\u3068\u51e6\u7406\u901f\u5ea6\u3067\u9078\u3076<\/h3>\n<p><strong>\u5bb9\u91cf\u3084\u51e6\u7406\u901f\u5ea6\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u306f\u3001\u300cCSV\u306e\u65b9\u304c\u8efd\u304f\u3066\u901f\u3044\u300d\u3068\u6c7a\u3081\u3064\u3051\u305a\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3068\u5229\u7528\u74b0\u5883\u3067\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3068\u51e6\u7406\u901f\u5ea6\u306f\u5225\u306e\u6307\u6a19\u3067\u3042\u308a\u3001\u5bb9\u91cf\u304c\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u5fc5\u305a\u901f\u304f\u958b\u3051\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>Excel\u306a\u3069\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u6642\u9593\u3084\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u8fbc\u3080\u6642\u9593\u3082\u3001\u30c7\u30fc\u30bf\u91cf\u30fb\u5217\u6570\u30fb\u6570\u5f0f\u30fb\u4f7f\u7528\u3059\u308b\u30bd\u30d5\u30c8\u30fbPC\u306e\u6027\u80fd\u306a\u3069\u306b\u3088\u3063\u3066\u5909\u308f\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u5229\u7528\u74b0\u5883\u3067\u6b21\u306e\u9805\u76ee\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<div class=\"s_table\"><table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 35%;\"><strong>\u5224\u65ad\u9805\u76ee<\/strong><\/th>\n<th style=\"width: 65%;\"><strong>\u78ba\u8a8d\u3059\u308b\u5185\u5bb9<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 35%;\"><strong>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/strong><\/td>\n<td style=\"width: 65%;\">\u540c\u3058\u5185\u5bb9\u306e\u30c7\u30fc\u30bf\u3092CSV\u5f62\u5f0f\u3068Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u4fdd\u5b58\u3057\u3001\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u6bd4\u8f03\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 35%;\"><strong>\u9001\u4fe1\u30fb\u767b\u9332\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u4e0a\u9650<\/strong><\/td>\n<td style=\"width: 65%;\">\u30e1\u30fc\u30eb\u3078\u6dfb\u4ed8\u3067\u304d\u308b\u5bb9\u91cf\u3084\u3001\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u30fb\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u767b\u9332\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u4e0a\u9650\u3092\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 35%;\"><strong>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u6642\u9593<\/strong><\/td>\n<td style=\"width: 65%;\">\u666e\u6bb5\u4f7f\u7528\u3059\u308bPC\u3068\u30bd\u30d5\u30c8\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8868\u793a\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 35%;\"><strong>\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u767b\u9332\u30fb\u51fa\u529b\u6642\u9593<\/strong><\/td>\n<td style=\"width: 65%;\">\u666e\u6bb5\u5229\u7528\u3059\u308b\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u30c7\u30fc\u30bf\u306e\u767b\u9332\u3084\u30d5\u30a1\u30a4\u30eb\u51fa\u529b\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 35%;\"><strong>\u696d\u52d9\u5168\u4f53\u306e\u4f5c\u696d\u6642\u9593<\/strong><\/td>\n<td style=\"width: 65%;\">\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\u30fb\u52a0\u5de5\u30fb\u78ba\u8a8d\u30fb\u63d0\u51fa\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u6bd4\u8f03\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u30e1\u30fc\u30eb\u3078\u306e\u6dfb\u4ed8\u3084\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u767b\u9332\u3067\u5bb9\u91cf\u4e0a\u9650\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u51e6\u7406\u901f\u5ea6\u3092\u6bd4\u3079\u308b\u524d\u306b\u3001\u305d\u306e\u4e0a\u9650\u3092\u6e80\u305f\u3059\u5f62\u5f0f\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306e\u53d6\u308a\u8fbc\u307f\u30fb\u96c6\u8a08\u3092\u7e70\u308a\u8fd4\u3059\u5834\u5408\u306f\u3001\u5b9f\u969b\u306b\u6271\u3046\u30c7\u30fc\u30bf\u91cf\u306b\u8fd1\u3044\u30b5\u30f3\u30d7\u30eb\u3092\u4f7f\u3044\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u6642\u9593\u3084\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u6e2c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u5bb9\u91cf\u304c\u5c0f\u3055\u304f\u3066\u3082\u624b\u4f5c\u696d\u3067\u306e\u52a0\u5de5\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u4fdd\u5b58\u5bb9\u91cf\u3060\u3051\u3067\u306a\u304f\u696d\u52d9\u5168\u4f53\u306e\u4f5c\u696d\u6642\u9593\u3067\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<h3>\u3010\u9078\u3073\u65b94\u3011\u81ea\u52d5\u5316\uff08\u30d7\u30ed\u30b0\u30e9\u30e0\u30fb\u30de\u30af\u30ed\uff09\u306e\u3057\u3084\u3059\u3055\u3067\u9078\u3076<\/h3>\n<p><strong>\u81ea\u52d5\u5316\u306e\u65b9\u6cd5\u306f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u9023\u643a\u3059\u308b\u306e\u304b\u3001Excel\u5185\u306e\u4f5c\u696d\u3092\u7e70\u308a\u8fd4\u3059\u306e\u304b\u3067\u9078\u3073\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4e3b\u306a\u4f7f\u3044\u65b9\u306f\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>CSV\u5f62\u5f0f\uff1a<\/strong>Python\u3084R\u306a\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u6587\u5b57\u30fb\u6570\u5024\u3092\u8aad\u307f\u66f8\u304d\u3057\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u30c7\u30fc\u30bf\u9023\u643a\u306b\u4f7f\u3046<\/li>\n<li><strong>Excel\uff1a<\/strong>Power Query\u3067\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u30fb\u5909\u63db\u624b\u9806\u3092\u518d\u5b9f\u884c\u3059\u308b\u304b\u3001VBA\uff08Excel\u306e\u30de\u30af\u30ed\u4f5c\u6210\u306b\u4f7f\u3046\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\uff09\u3067\u5b9a\u578b\u64cd\u4f5c\u3092\u81ea\u52d5\u5316\u3059\u308b<\/li>\n<\/ul>\n<p>\u30c7\u30fc\u30bf\u306e\u53d6\u308a\u8fbc\u307f\u30fb\u5909\u63db\u3092\u81ea\u52d5\u5316\u3059\u308b\u524d\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5165\u529b\u6761\u4ef6\u3084\u30a8\u30e9\u30fc\u6642\u306e\u5bfe\u5fdc\u306a\u3069\u3001\u904b\u7528\u306b\u5fc5\u8981\u306a\u30eb\u30fc\u30eb\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u5143\u3068\u51fa\u529b\u5148\u3067\u4f7f\u7528\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f<\/li>\n<li>\u6587\u5b57\u30b3\u30fc\u30c9\u30fb\u533a\u5207\u308a\u6587\u5b57\u30fb\u5024\u3092\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\uff08\u534a\u89d2\u306e\u4e8c\u91cd\u5f15\u7528\u7b26\u300c&#8221;\u300d\uff09\u3067\u56f2\u3080\u6761\u4ef6<\/li>\n<li>\u9805\u76ee\u540d\u30fb\u5217\u9806\u30fb\u30c7\u30fc\u30bf\u578b\u30fb\u5fc5\u9808\u9805\u76ee\u306e\u6307\u5b9a<\/li>\n<li>\u7a7a\u6b04\u30fb\u91cd\u8907\u30fb\u5f62\u5f0f\u4e0d\u4e00\u81f4\u304c\u3042\u3063\u305f\u5834\u5408\u306e\u51e6\u7406<\/li>\n<li>\u30a8\u30e9\u30fc\u3092\u691c\u77e5\u3057\u3066\u62c5\u5f53\u8005\u3078\u77e5\u3089\u305b\u308b\u65b9\u6cd5<\/li>\n<li>\u81ea\u52d5\u5316\u524d\u306e\u539f\u672c\u3068\u3001\u81ea\u52d5\u5316\u5f8c\u306b\u51fa\u529b\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30fb\u5b9f\u884c\u65e5\u6642\u3092\u6b8b\u3059\u65b9\u6cd5<\/li>\n<\/ul>\n<p>VBA\u3067\u4f5c\u6210\u3057\u305f\u30de\u30af\u30ed\u306e\u30b3\u30fc\u30c9\u3092Excel\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u4fdd\u5b58\u3059\u308b\u5834\u5408\u306f\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u306f\u306a\u304f\u3001\u30de\u30af\u30ed\u6709\u52b9\u30d6\u30c3\u30af\uff08.xlsm\uff09\u306a\u3069\u3001\u30de\u30af\u30ed\u3092\u4fdd\u6301\u3067\u304d\u308b\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001CSV\u306e\u8aad\u307f\u8fbc\u307f\u30fb\u66f8\u304d\u51fa\u3057\u3092\u81ea\u52d5\u5316\u3057\u3066\u3082\u3001CSV\u5f62\u5f0f\u3092\u9078\u3076\u3060\u3051\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u306b\u304f\u304f\u306a\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u9805\u76ee\u540d\u3084\u5217\u9806\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u306a\u3069\u304c\u9023\u643a\u5148\u306e\u4ed5\u69d8\u3068\u7570\u306a\u308b\u3068\u3001\u8aad\u307f\u8fbc\u307f\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u308a\u3001\u5024\u304c\u610f\u56f3\u3057\u306a\u3044\u5217\u3078\u5165\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u6700\u521d\u306f\u5c11\u91cf\u306e\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3067\u51e6\u7406\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 id=\"csv-excel-data-check\">\u3010\u7d50\u8ad6\u3011CSV\u306f\u300c\u53d7\u3051\u6e21\u3057\u30fb\u6c4e\u7528\u6027\u300d\uff5cExcel\u306f\u300c\u6a5f\u80fd\u30fb\u898b\u305f\u76ee\u30fb\u5206\u6790\u300d\u3067\u9078\u3076<\/h2>\n<p><strong>\u8868\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u591a\u304f\u306e\u30bd\u30d5\u30c8\u3084\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u53d7\u3051\u6e21\u3059\u306a\u3089CSV\u5f62\u5f0f\u3001\u6570\u5f0f\u3084\u66f8\u5f0f\u3092\u4f7f\u3063\u3066\u96c6\u8a08\u30fb\u5206\u6790\u3059\u308b\u306a\u3089Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3092\u9078\u3073\u3001\u5bb9\u91cf\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u306f\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u6bd4\u8f03\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002<\/strong><\/p>\n<p>CSV\u3068Excel\u306e\u3069\u3061\u3089\u3092\u9078\u3076\u5834\u5408\u3082\u3001\u52a0\u5de5\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u539f\u672c\u3068\u3057\u3066\u6b8b\u3057\u3001\u5206\u6790\u30fb\u63d0\u51fa\u306b\u4f7f\u3046\u30c7\u30fc\u30bf\u304c\u610f\u56f3\u305b\u305a\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u5f8c\u3084\u3001CSV\u5f62\u5f0f\u3068Excel\u5f62\u5f0f\u306e\u9593\u3067\u4fdd\u5b58\u5f62\u5f0f\u3092\u5909\u66f4\u3057\u305f\u5f8c\u306f\u3001\u6b21\u306e6\u9805\u76ee\u3092\u5143\u30c7\u30fc\u30bf\u3068\u7167\u5408\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"s_table\"><table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 32%;\"><strong>\u7167\u5408\u9805\u76ee<\/strong><\/th>\n<th style=\"width: 68%;\"><strong>\u5143\u30c7\u30fc\u30bf\u3068\u7167\u5408\u3059\u308b\u5185\u5bb9<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 32%;\"><strong>\u30c7\u30fc\u30bf\u306e\u4ef6\u6570\uff08\u884c\u6570\uff09<\/strong><\/td>\n<td style=\"width: 68%;\">CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u5f8c\u3084\u3001CSV\u5f62\u5f0f\u3068Excel\u5f62\u5f0f\u306e\u9593\u3067\u4fdd\u5b58\u5f62\u5f0f\u3092\u5909\u66f4\u3057\u305f\u5f8c\u306e\u884c\u6570\u3092\u3001\u4f5c\u696d\u524d\u306b\u6b8b\u3057\u305f\u539f\u672c\u3068\u6bd4\u8f03\u3059\u308b\u3002\u884c\u3092\u7d5e\u308a\u8fbc\u3093\u3060\u308a\u524a\u9664\u3057\u305f\u308a\u3057\u305f\u5834\u5408\u306f\u3001\u4e88\u5b9a\u3057\u3066\u3044\u305f\u4ef6\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 32%;\"><strong>\u9805\u76ee\u540d\u30fb\u5217\u9806<\/strong><\/td>\n<td style=\"width: 68%;\">\u5fc5\u8981\u306a\u5217\u304c\u6b20\u3051\u3066\u3044\u306a\u3044\u304b\u3001\u9805\u76ee\u540d\u30fb\u5217\u9806\u304c\u4f5c\u696d\u524d\u306e\u539f\u672c\u307e\u305f\u306f\u53d6\u308a\u8fbc\u307f\u5148\u306e\u6307\u5b9a\u3069\u304a\u308a\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 32%;\"><strong>ID\u30fb\u5546\u54c1\u30b3\u30fc\u30c9<\/strong><\/td>\n<td style=\"width: 68%;\">\u5148\u982d\u306e0\u304c\u6d88\u3048\u3066\u3044\u306a\u3044\u304b\u3001\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u304c\u300c1.23E+15\u300d\u306e\u3088\u3046\u306a\u6307\u6570\u8868\u793a\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b\u3001\u539f\u672c\u306e\u5024\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 32%;\"><strong>\u65e5\u4ed8\u30fb\u6642\u523b<\/strong><\/td>\n<td style=\"width: 68%;\">\u5e74\u6708\u65e5\u306e\u9806\u5e8f\u3084\u8868\u793a\u5f62\u5f0f\u304c\u610f\u56f3\u305b\u305a\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u304b\u3001\u6642\u523b\u3092\u542b\u3080\u5024\u304c\u539f\u672c\u3069\u304a\u308a\u306b\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 32%;\"><strong>\u6570\u5024\u306e\u5408\u8a08<\/strong><\/td>\n<td style=\"width: 68%;\">\u539f\u672c\u3068\u52a0\u5de5\u5f8c\u306e\u30c7\u30fc\u30bf\u3067\u58f2\u4e0a\u91d1\u984d\u30fb\u6570\u91cf\u306a\u3069\u306e\u5408\u8a08\u5024\u3092\u6bd4\u3079\u3001\u884c\u306e\u7d5e\u308a\u8fbc\u307f\u30fb\u524a\u9664\u306b\u3088\u308b\u4e88\u5b9a\u3057\u305f\u5897\u6e1b\u304b\u3001\u30c7\u30fc\u30bf\u306e\u6b20\u843d\u3084\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u4e38\u3081\u306b\u3088\u308b\u5dee\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 32%;\"><strong>\u7a7a\u6b04\u6570\u30fb\u91cd\u8907\u6570<\/strong><\/td>\n<td style=\"width: 68%;\">\u539f\u672c\u3068\u52a0\u5de5\u5f8c\u306e\u30c7\u30fc\u30bf\u3067\u5fc5\u9808\u9805\u76ee\u306e\u7a7a\u6b04\u6570\u3084\u540c\u3058ID\u30fb\u53d6\u5f15\u306e\u91cd\u8907\u6570\u3092\u6bd4\u3079\u3001\u884c\u306e\u524a\u9664\u3084\u91cd\u8907\u9664\u53bb\u306b\u3088\u3063\u3066\u4e88\u5b9a\u3057\u3066\u3044\u305f\u5897\u6e1b\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u4f8b\u3048\u3070\u3001\u52a0\u5de5\u524d\u5f8c\u3067\u884c\u6570\u304c1,000\u4ef6\u3001\u58f2\u4e0a\u5408\u8a08\u304c2,450,000\u5186\u3067\u4e00\u81f4\u3057\u3066\u3044\u3066\u3082\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u300c00125\u300d\u304c\u300c125\u300d\u306b\u5909\u308f\u3063\u3066\u3044\u308c\u3070\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306f\u539f\u672c\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30921\u4ef6\u305a\u3064\u76ee\u8996\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u307e\u305a\u4ef6\u6570\u30fb\u5408\u8a08\u5024\u30fb\u7a7a\u6b04\u6570\u30fb\u91cd\u8907\u6570\u3092\u6bd4\u8f03\u3057\u3001ID\u3084\u5546\u54c1\u30b3\u30fc\u30c9\u306f\u5148\u982d\u304c0\u306e\u5024\u3084\u6841\u6570\u306e\u9577\u3044\u5024\u3092\u62bd\u51fa\u3057\u3066\u78ba\u8a8d\u3059\u308b\u3068\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n<p>\u4e0a\u306e\u8868\u306e6\u9805\u76ee\u306b\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u5dee\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u65b9\u6cd5\u3001Excel\u3067\u884c\u3063\u305f\u52a0\u5de5\u3001\u4fdd\u5b58\u6642\u306b\u9078\u3093\u3060\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u3001\u96c6\u8a08\u30fb\u5206\u6790\u30fb\u63d0\u51fa\u306b\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>Excel\u3084CSV\u306e\u30c7\u30fc\u30bf\u3092\u5206\u6790\u306b\u6d3b\u304b\u305b\u306a\u3044\u3068\u304d\u306fCacco\u306b\u76f8\u8ac7<\/h2>\n<p><strong>Excel\u3084CSV\u3092\u6b63\u3057\u304f\u6271\u3048\u3066\u3082\u3001\u624b\u5143\u306e\u30c7\u30fc\u30bf\u304b\u3089\u4f55\u3092\u660e\u3089\u304b\u306b\u3057\u3001\u3069\u306e\u696d\u52d9\u5224\u65ad\u306b\u4f7f\u3046\u304b\u304c\u6c7a\u307e\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u5206\u6790\u7d50\u679c\u3092\u65bd\u7b56\u3084\u696d\u52d9\u6539\u5584\u306b\u3064\u306a\u3052\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u9078\u3076\u3060\u3051\u3067\u306a\u304f\u3001\u9805\u76ee\u540d\u30fb\u30c7\u30fc\u30bf\u578b\u30fbID\u306a\u3069\u306e\u69cb\u9020\u3092\u305d\u308d\u3048\u3001\u30c7\u30fc\u30bf\u3092\u5d29\u3055\u305a\u6271\u3046\u3053\u3068\u304c\u3001\u5206\u6790\u306b\u4f7f\u3048\u308b\u72b6\u614b\u3092\u6574\u3048\u308b\u7b2c\u4e00\u6b69\u3067\u3059\u3002<\/p>\n<p>Excel\u3084CSV\u306b\u30c7\u30fc\u30bf\u304c\u84c4\u7a4d\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u6b21\u306e\u3088\u3046\u306a\u72b6\u614b\u3067\u306f\u6d3b\u7528\u304c\u9032\u307e\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u58f2\u4e0a\u30fb\u9867\u5ba2\u30fb\u8cfc\u8cb7\u30fb\u5728\u5eab\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5206\u304b\u308c\u3001\u3069\u306e\u30c7\u30fc\u30bf\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u304b\u5206\u304b\u3089\u306a\u3044<\/li>\n<li>\u96c6\u8a08\u3059\u308b\u671f\u9593\u30fb\u9805\u76ee\u30fb\u6307\u6a19\u3092\u6c7a\u3081\u3089\u308c\u306a\u3044<\/li>\n<li>\u8868\u3084\u30b0\u30e9\u30d5\u3092\u4f5c\u3063\u3066\u3082\u3001\u6b21\u306e\u696d\u52d9\u5224\u65ad\u306b\u3064\u306a\u304c\u3089\u306a\u3044<\/li>\n<li>\u89e3\u6c7a\u3057\u305f\u3044\u696d\u52d9\u8ab2\u984c\u306b\u5bfe\u3057\u3001\u3069\u306e\u30c7\u30fc\u30bf\u3092\u898b\u308b\u3079\u304d\u304b\u9078\u3079\u306a\u3044<\/li>\n<\/ul>\n<p>Cacco\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u3067\u306f\u3001\u8ab2\u984c\u304c\u660e\u78ba\u3067\u306a\u3044\u6bb5\u968e\u304b\u3089\u3001\u624b\u5143\u306e\u30c7\u30fc\u30bf\u306e\u72b6\u614b\u3084\u696d\u52d9\u3067\u5224\u65ad\u3057\u305f\u3044\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3001\u5206\u6790\u30c6\u30fc\u30de\u3092\u4e00\u7dd2\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<p>\u5206\u6790\u306e\u76ee\u7684\u3084\u9032\u3081\u65b9\u3092\u5177\u4f53\u5316\u3059\u308b\u305f\u3081\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6b21\u306e\u3088\u3046\u306a\u70b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6700\u521d\u306b\u6271\u3046\u696d\u52d9\u8ab2\u984c\u3068\u3001\u5206\u6790\u7d50\u679c\u3092\u4f7f\u3063\u3066\u5224\u65ad\u3057\u305f\u3044\u5185\u5bb9<\/li>\n<li>\u5206\u6790\u306b\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u540c\u58eb\u3092\u7d50\u3073\u4ed8\u3051\u308bID\u30fb\u5546\u54c1\u30b3\u30fc\u30c9\u306a\u3069\u306e\u9805\u76ee<\/li>\n<li>\u5206\u6790\u5bfe\u8c61\u3068\u3059\u308b\u671f\u9593\u30fb\u96c6\u8a08\u5358\u4f4d\u30fb\u6307\u6a19\u306e\u5b9a\u7fa9\u3068\u3001\u4e0d\u8db3\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf<\/li>\n<li>\u5206\u6790\u7d50\u679c\u3092\u3082\u3068\u306b\u6c7a\u3081\u308b\u65bd\u7b56\u3084\u3001\u898b\u76f4\u3059\u696d\u52d9<\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u3001\u9867\u5ba2\u30c7\u30fc\u30bf\u3068\u8cfc\u8cb7\u30c7\u30fc\u30bf\u306b\u9867\u5ba2ID\u306a\u3069\u306e\u5171\u901a\u9805\u76ee\u304c\u3042\u308c\u3070\u3001\u9867\u5ba2\u3054\u3068\u306e\u8cfc\u5165\u50be\u5411\u3092\u5206\u6790\u3059\u308b\u65b9\u6cd5\u3092\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u58f2\u4e0a\u30c7\u30fc\u30bf\u3068\u5728\u5eab\u30c7\u30fc\u30bf\u306f\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306a\u3069\u3067\u7167\u5408\u3057\u3001\u5546\u54c1\u5225\u306e\u8ca9\u58f2\u72b6\u6cc1\u3068\u5728\u5eab\u306e\u504f\u308a\u3092\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Excel\u3084CSV\u306b\u30c7\u30fc\u30bf\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u5206\u6790\u30c6\u30fc\u30de\u3084\u6d3b\u7528\u65b9\u6cd5\u3092\u6c7a\u3081\u3089\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u8ab2\u984c\u306e\u62bd\u51fa\u304b\u3089\u89e3\u6c7a\u306b\u5411\u3051\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u63d0\u6848\u307e\u3067\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u308b\u300c<a href=\"https:\/\/cacco.co.jp\/datascience\/?ref_type=dsmedia_6798\" target=\"_blank\" rel=\"noopener\">Cacco\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9<\/a>\u300d\u306e\u652f\u63f4\u5185\u5bb9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/cacco.co.jp\/datascience\/?ref_type=dsmedia_\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6558\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png\" alt=\"Cacco_datascience\" width=\"1024\" height=\"300\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-300x88.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-768x225.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-400x117.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-800x234.png 800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<h2>CSV\u3068Excel\u306e\u9055\u3044\u30fb\u6271\u3044\u65b9\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u8cea\u554f7\u3064<\/h2>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u3068\u304d\u306e\u5909\u5316\u3001\u5b89\u5168\u306b\u53d6\u308a\u8fbc\u3080\u65b9\u6cd5\u3001CSV\u5f62\u5f0f\u3078\u306e\u4fdd\u5b58\u624b\u9806\u306a\u3069\u3001\u5b9f\u52d9\u3067\u8ff7\u3044\u3084\u3059\u3044\u7591\u554f\u30927\u3064\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<p>Excel\u306e\u64cd\u4f5c\u624b\u9806\u306f\u3001Windows\u7248Microsoft 365\u3092\u3082\u3068\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u8cea\u554f\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u8a72\u5f53\u3059\u308b\u56de\u7b54\u3078\u79fb\u52d5\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"#csv-excel-open\">\u3010\u8cea\u554f1\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u4f5c\u696d\u3059\u3079\u304d\u30b1\u30fc\u30b9\u3068\u30e1\u30ea\u30c3\u30c8\u306f\uff1f<\/a><\/li>\n<li><a href=\"#csv-excel-method\">\u3010\u8cea\u554f2\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\uff1f<\/a><\/li>\n<li><a href=\"#csv-excel-combine\">\u3010\u8cea\u554f3\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306f\u4f75\u7528\u3067\u304d\u308b\uff1f<\/a><\/li>\n<li><a href=\"#csv-row-limit\">\u3010\u8cea\u554f4\u3011CSV\u30d5\u30a1\u30a4\u30eb\u306b\u3082Excel\u306e\u3088\u3046\u306a\u884c\u6570\u306e\u4e0a\u9650\u306f\u3042\u308b\uff1f<\/a><\/li>\n<li><a href=\"#csv-value-rules\">\u3010\u8cea\u554f5\u3011CSV\u306e\u5024\u306b\u30ab\u30f3\u30de\u3084\u6539\u884c\u3092\u542b\u3081\u3066\u3082\u5927\u4e08\u592b\uff1f<\/a><\/li>\n<li><a href=\"#excel-csv-save\">\u3010\u8cea\u554f6\u3011Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3084\u308a\u65b9\u306f\uff1f<\/a><\/li>\n<li><a href=\"#excel-csv-caution\">\u3010\u8cea\u554f7\u3011Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/a><\/li>\n<\/ul>\n<p>\u3069\u306e\u8cea\u554f\u3082\u3001CSV\u3068Excel\u3092\u5b9f\u52d9\u3067\u4f7f\u3044\u5206\u3051\u3001\u30c7\u30fc\u30bf\u3092\u5d29\u3055\u305a\u6271\u3046\u305f\u3081\u306b\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<h3 id=\"csv-excel-open\">\u3010\u8cea\u554f1\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u4f5c\u696d\u3059\u3079\u304d\u30b1\u30fc\u30b9\u3068\u30e1\u30ea\u30c3\u30c8\u306f\uff1f<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u76f4\u63a5\u958b\u304f\u65b9\u6cd5\u306f\u3001\u5185\u5bb9\u3092\u624b\u65e9\u304f\u78ba\u8a8d\u3057\u305f\u308a\u3001\u4e00\u6642\u7684\u306b\u96c6\u8a08\u3057\u305f\u308a\u3059\u308b\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u304f\u65b9\u6cd5\u306f\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>Excel\u304c\u81ea\u52d5\u3067\u958b\u304f\u5834\u5408\uff1a<\/strong>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b<\/li>\n<li><strong>Excel\u4ee5\u5916\u306e\u30bd\u30d5\u30c8\u304c\u958b\u304f\u5834\u5408\uff1a<\/strong>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u958b\u304f\u300d\u304b\u3089Excel\u3092\u9078\u3076<\/li>\n<\/ul>\n<p>Excel\u3067\u958b\u304f\u3068\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u305f\u30c7\u30fc\u30bf\u304c\u30bb\u30eb\u3078\u5206\u304b\u308c\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8868\u5f62\u5f0f\u3067\u78ba\u8a8d\u3057\u3001\u305d\u306e\u307e\u307eExcel\u306e\u6a5f\u80fd\u3092\u4f7f\u3048\u308b\u70b9\u304c\u3001\u76f4\u63a5\u958b\u304f\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<p>\u76f4\u63a5\u958b\u3044\u305fCSV\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001\u4e3b\u306b\u6b21\u306e\u4f5c\u696d\u3092\u753b\u9762\u4e0a\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u884c\u3084\u5217\u3092\u8868\u5f62\u5f0f\u3067\u78ba\u8a8d\u3059\u308b<\/li>\n<li>\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u4e26\u3079\u66ff\u3048\u305f\u308a\u7d5e\u308a\u8fbc\u3093\u3060\u308a\u3059\u308b<\/li>\n<li>\u95a2\u6570\u3084\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\uff08\u9805\u76ee\u3092\u7d44\u307f\u66ff\u3048\u3066\u96c6\u8a08\u8868\u3092\u4f5c\u308b\u6a5f\u80fd\uff09\u3092\u4f7f\u3063\u3066\u96c6\u8a08\u3059\u308b<\/li>\n<li>\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3057\u3066\u30c7\u30fc\u30bf\u306e\u50be\u5411\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<p>\u95a2\u6570\u30fb\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\u30fb\u30b0\u30e9\u30d5\u306a\u3069\u3092\u4f7f\u3063\u305f\u4f5c\u696d\u5185\u5bb9\u3092\u6b8b\u3059\u5834\u5408\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u5f8c\u3001Excel\u5f62\u5f0f\uff08.xlsx\uff09\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u958b\u304f\u3068\u3001\u5148\u982d\u306b0\u3092\u542b\u3080ID\u3084\u65e5\u4ed8\u3001\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u304cExcel\u306b\u3088\u3063\u3066\u81ea\u52d5\u5909\u63db\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u5024\u3092\u5143\u306e\u8868\u8a18\u306e\u307e\u307e\u6271\u3046\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u3010\u8cea\u554f2\u3011\u3067\u7d39\u4ecb\u3059\u308b\u53d6\u308a\u8fbc\u307f\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3 id=\"csv-excel-method\">\u3010\u8cea\u554f2\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u6271\u3044\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\uff1f<\/h3>\n<p><strong>\u5185\u5bb9\u3092\u624b\u65e9\u304f\u78ba\u8a8d\u3059\u308b\u3060\u3051\u306a\u3089CSV\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u958b\u304d\u3001ID\u30fb\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u65e5\u4ed8\u306a\u3069\u306e\u5143\u306e\u8868\u8a18\u3092\u4fdd\u3064\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001Excel\u306e\u53d6\u308a\u8fbc\u307f\u6a5f\u80fd\u3092\u4f7f\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p>\u76f4\u63a5\u958b\u304f\u65b9\u6cd5\u3068\u9069\u3059\u308b\u5834\u9762\u306f\u3010\u8cea\u554f1\u3011\u3067\u8aac\u660e\u3057\u305f\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u76f4\u63a5\u958b\u3044\u305f\u5834\u5408\u306e\u5909\u5316\u3068\u3001\u5143\u306e\u8868\u8a18\u3092\u4fdd\u3063\u3066\u53d6\u308a\u8fbc\u3080\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>Windows\u7248Microsoft 365\u3067\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u958b\u304f\u3068\u3001\u5148\u982d\u306e0\u3084\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u3092\u5909\u63db\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6816\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning.png\" alt=\"CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u969b\u306b\u5148\u982d\u306e0\u3068\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u3092\u5909\u63db\u3059\u308b\u304b\u78ba\u8a8d\u3059\u308bExcel\u306e\u753b\u9762\" width=\"1176\" height=\"866\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning.png 1176w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning-300x221.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning-1024x754.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning-768x566.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning-400x295.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-automatic-data-conversion-warning-800x589.png 800w\" sizes=\"auto, (max-width: 1176px) 100vw, 1176px\" \/><\/p>\n<p>\u4ee5\u4e0b\u3067\u306f\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u300c00125\u300d\u3001\u6ce8\u6587\u65e5\u300c2026-08-05\u300d\u300118\u6841\u306e\u4f1a\u54e1\u756a\u53f7\u3092\u542b\u3080CSV\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3044\u3001\u8868\u793a\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u306e\u78ba\u8a8d\u753b\u9762\u3067\u300c\u5909\u63db\u300d\u3092\u9078\u3076\u3068\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u304c\u6d88\u3048\u300118\u6841\u306e\u4f1a\u54e1\u756a\u53f7\u304c\u6307\u6570\u8868\u793a\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6817\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted.png\" alt=\"CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u304d\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u3068\u4f1a\u54e1\u756a\u53f7\u304c\u81ea\u52d5\u5909\u63db\u3055\u308c\u305f\u753b\u9762\" width=\"1508\" height=\"372\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted.png 1508w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-300x74.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-1024x253.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-768x189.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-400x99.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-800x197.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-auto-converted-1200x296.png 1200w\" sizes=\"auto, (max-width: 1508px) 100vw, 1508px\" \/><\/p>\n<p>\u3053\u306e\u5909\u5316\u306f\u3001Excel\u306e\u81ea\u52d5\u30c7\u30fc\u30bf\u5909\u63db\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>Microsoft\u306f\u3001\u6570\u5024\u30c6\u30ad\u30b9\u30c8\u306e\u5148\u982d\u306e0\u3092\u524a\u9664\u3057\u3001\u6841\u6570\u306e\u591a\u3044\u6570\u5024\u309215\u6841\u306e\u7cbe\u5ea6\u306b\u5207\u308a\u6368\u3066\u3066\u6307\u6570\u8868\u8a18\u3078\u5909\u63db\u3059\u308b\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/support.microsoft.com\/ja-jp\/excel\/keeping-leading-zeros-and-large-numbers\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6835\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion.png\" alt=\"Excel\u304c\u5148\u982d\u306e0\u3092\u524a\u9664\u3057\u6570\u5024\u309215\u6841\u306e\u7cbe\u5ea6\u306b\u5207\u308a\u6368\u3066\u3066\u6307\u6570\u8868\u8a18\u3078\u5909\u63db\u3059\u308b\u3053\u3068\u3092\u793a\u3059Microsoft\u516c\u5f0f\u8cc7\u6599\" width=\"1578\" height=\"476\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion.png 1578w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-300x90.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-1024x309.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-768x232.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-1536x463.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-400x121.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-800x241.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-automatic-data-conversion-1200x362.png 1200w\" sizes=\"auto, (max-width: 1578px) 100vw, 1578px\" \/><\/a><\/p>\n<div style=\"text-align: right;\"><span style=\"font-size: 10pt;\">\u5f15\u7528\uff1a<a href=\"https:\/\/support.microsoft.com\/ja-jp\/excel\/keeping-leading-zeros-and-large-numbers\" target=\"_blank\" rel=\"noopener\">Microsoft\u300c\u5148\u982d\u306e\u30bc\u30ed\u304a\u3088\u3073\u5927\u304d\u3044\u6570\u5024\u306e\u4fdd\u6301\u300d<\/a><\/span><\/div>\n<p>\u305d\u306e\u305f\u3081\u300118\u6841\u306e\u4f1a\u54e1\u756a\u53f7\u306f\u3001\u753b\u9762\u4e0a\u306e\u8868\u793a\u304c\u5909\u308f\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5143\u306e\u756a\u53f7\u3092\u6b63\u78ba\u306b\u4fdd\u6301\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u540c\u3058CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u76f4\u3057\u3066\u300c\u5909\u63db\u3057\u306a\u3044\u300d\u3092\u9078\u3076\u3068\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u306818\u6841\u306e\u4f1a\u54e1\u756a\u53f7\u306f\u4fdd\u6301\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6818\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion.png\" alt=\"Excel\u3067\u81ea\u52d5\u30c7\u30fc\u30bf\u5909\u63db\u3092\u884c\u308f\u305a\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u3068\u4f1a\u54e1\u756a\u53f7\u3092\u4fdd\u6301\u3057\u305f\u753b\u9762\" width=\"1682\" height=\"378\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion.png 1682w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-300x67.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-1024x230.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-768x173.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-1536x345.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-400x90.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-800x180.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/csv-open-in-excel-without-conversion-1200x270.png 1200w\" sizes=\"auto, (max-width: 1682px) 100vw, 1682px\" \/><\/p>\n<p>\u300c\u5909\u63db\u3057\u306a\u3044\u300d\u3092\u9078\u3093\u3067\u3082\u3001\u4e0a\u306e\u4f8b\u3067\u306fExcel\u304c\u300c2026-08-05\u300d\u3092\u65e5\u4ed8\u3068\u3057\u3066\u8a8d\u8b58\u3057\u305f\u305f\u3081\u3001\u6ce8\u6587\u65e5\u306e\u8868\u8a18\u306f\u300c2026\/8\/5\u300d\u306b\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30eb\u5de6\u4e0a\u306e\u7dd1\u8272\u306e\u4e09\u89d2\u306f\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u3068\u4f1a\u54e1\u756a\u53f7\u304c\u6587\u5b57\u5217\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059Excel\u306e\u901a\u77e5\u3067\u3059\u304c\u3001\u3053\u308c\u3089\u306f\u8a08\u7b97\u306b\u4f7f\u308f\u305a\u5143\u306e\u8868\u8a18\u3092\u6b8b\u3059\u305f\u3081\u3001\u3053\u306e\u4f8b\u3067\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u4f1a\u54e1\u756a\u53f7\u30fb\u6ce8\u6587\u65e5\u3092\u5143\u306e\u8868\u8a18\u3067\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001Excel\u306b\u4ed8\u5c5e\u3059\u308b\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u30fb\u5909\u63db\u6a5f\u80fd\u300cPower Query\u300d\u3092\u4f7f\u3044\u3001\u6b21\u306e\u624b\u9806\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3010\u624b\u98061\u3011Excel\u3067\u7a7a\u306e\u30d6\u30c3\u30af\u3092\u958b\u304f<\/li>\n<li>\u3010\u624b\u98062\u3011\u300c\u30c7\u30fc\u30bf\u300d\u30bf\u30d6\u304b\u3089\u300c\u30c6\u30ad\u30b9\u30c8\u307e\u305f\u306fCSV\u304b\u3089\u300d\u3092\u9078\u3076<\/li>\n<li>\u3010\u624b\u98063\u3011\u53d6\u308a\u8fbc\u3080CSV\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u3073\u3001\u300c\u30a4\u30f3\u30dd\u30fc\u30c8\u300d\u3092\u62bc\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u901a\u77e5\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u4f5c\u6210\u5143\u3092\u78ba\u8a8d\u3057\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u306a\u3089\u300cOK\u300d\u3001\u4f5c\u6210\u5143\u304c\u4e0d\u660e\u306a\u30d5\u30a1\u30a4\u30eb\u306a\u3089\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u3092\u9078\u3076<\/li>\n<li>\u3010\u624b\u98064\u3011\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u9762\u306e\u300c\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u300d\u3067\u6587\u5b57\u30b3\u30fc\u30c9\u3001\u300c\u533a\u5207\u308a\u8a18\u53f7\u300d\u3067\u5217\u306e\u533a\u5207\u308a\u65b9\u3001\u8868\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u5404\u5217\u306e\u5024\u3092\u78ba\u8a8d\u3057\u3001\u300c\u30c7\u30fc\u30bf\u578b\u691c\u51fa\u300d\u3092\u300c\u30c7\u30fc\u30bf\u578b\u3092\u691c\u51fa\u3057\u306a\u3044\u300d\u306b\u8a2d\u5b9a\u3059\u308b<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6820\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview.png\" alt=\"Excel\u306e\u300c\u30c6\u30ad\u30b9\u30c8\u307e\u305f\u306fCSV\u304b\u3089\u300d\u3067\u6587\u5b57\u30b3\u30fc\u30c9\u30fb\u533a\u5207\u308a\u8a18\u53f7\u30fb\u30c7\u30fc\u30bf\u578b\u691c\u51fa\u3092\u78ba\u8a8d\u3059\u308b\u753b\u9762\" width=\"2282\" height=\"1068\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview.png 2282w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-300x140.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-1024x479.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-768x359.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-1536x719.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-2048x958.png 2048w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-400x187.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-800x374.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-import-csv-preview-1200x562.png 1200w\" sizes=\"auto, (max-width: 2282px) 100vw, 2282px\" \/><\/p>\n<p>\u4e0a\u306e\u4f8b\u3067\u306fUTF-8\u5f62\u5f0f\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u300c\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u300d\u306b\u306f\u300c65001\uff1aUnicode\uff08UTF-8\uff09\u300d\u3001\u300c\u533a\u5207\u308a\u8a18\u53f7\u300d\u306b\u306f\u300c\u30b3\u30f3\u30de\u300d\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6587\u5b57\u30b3\u30fc\u30c9\u3084\u533a\u5207\u308a\u8a18\u53f7\u304c\u5206\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u51fa\u529b\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u4ed5\u69d8\u3092\u8abf\u3079\u308b\u304b\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9001\u4ed8\u5143\u3078\u554f\u3044\u5408\u308f\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u9762\u3067\u306f\u3001\u65e5\u672c\u8a9e\u304c\u6587\u5b57\u5316\u3051\u3057\u3066\u3044\u306a\u3044\u304b\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u3044\u5217\u3078\u5206\u304b\u308c\u3066\u3044\u308b\u304b\u3001\u5148\u982d\u306e0\u3084\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3010\u624b\u98065\u3011\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u9762\u3067\u300c\u30c7\u30fc\u30bf\u306e\u5909\u63db\u300d\u3092\u9078\u3076<\/li>\n<li>\u3010\u624b\u98066\u3011\u5217\u540d\u304c\u300cColumn1\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001Power Query\u306e\u300c\u30db\u30fc\u30e0\u300d\u30bf\u30d6\u304b\u3089\u300c1\u884c\u76ee\u3092\u30d8\u30c3\u30c0\u30fc\u3068\u3057\u3066\u4f7f\u7528\u300d\u3092\u9078\u3076<\/li>\n<li>\u3010\u624b\u98067\u3011\u753b\u9762\u53f3\u5074\u306e\u300c\u30af\u30a8\u30ea\u306e\u8a2d\u5b9a\u300d\u3067\u300c\u9069\u7528\u3057\u305f\u30b9\u30c6\u30c3\u30d7\u300d\u3092\u78ba\u8a8d\u3057\u3001\u4e00\u756a\u4e0b\u306e\u300c\u5909\u66f4\u3055\u308c\u305f\u578b\u300d\u304c\u81ea\u52d5\u3067\u8ffd\u52a0\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u5de6\u5074\u306e\u300c\u00d7\u300d\u3092\u62bc\u3057\u3066\u524a\u9664\u3059\u308b<\/li>\n<\/ul>\n<p>\u300c\u30af\u30a8\u30ea\u306e\u8a2d\u5b9a\u300d\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001Power Query\u306e\u300c\u8868\u793a\u300d\u30bf\u30d6\u304b\u3089\u300c\u30af\u30a8\u30ea\u306e\u8a2d\u5b9a\u300d\u3092\u9078\u3076\u3068\u3001\u4ee5\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6832\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-remove-changed-type-step.png\" alt=\"Power Query\u306e\u30af\u30a8\u30ea\u8a2d\u5b9a\u3067\u4e00\u756a\u4e0b\u306e\u300c\u5909\u66f4\u3055\u308c\u305f\u578b\u300d\u3092\u524a\u9664\u3059\u308b\u753b\u9762\" width=\"379\" height=\"636\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-remove-changed-type-step.png 758w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-remove-changed-type-step-179x300.png 179w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-remove-changed-type-step-610x1024.png 610w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-remove-changed-type-step-400x671.png 400w\" sizes=\"auto, (max-width: 379px) 100vw, 379px\" \/><\/p>\n<p>\u300c\u30c7\u30fc\u30bf\u578b\u691c\u51fa\u300d\u3067\u300c\u30c7\u30fc\u30bf\u578b\u3092\u691c\u51fa\u3057\u306a\u3044\u300d\u3092\u9078\u3076\u3068\u3001\u5404\u5217\u306f\u6700\u521d\u306b\u30c6\u30ad\u30b9\u30c8\u578b\u3068\u3057\u3066\u53d6\u308a\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u300c\u9069\u7528\u3057\u305f\u30b9\u30c6\u30c3\u30d7\u300d\u306e\u4e0a\u5074\u306b\u3042\u308b\u300c\u578b\u306e\u5909\u66f4\u300d\u306f\u3001\u3053\u306e\u8a2d\u5b9a\u3092\u53cd\u6620\u3057\u305f\u51e6\u7406\u3067\u3042\u308a\u3001\u5217\u306e\u5185\u5bb9\u304b\u3089\u30c7\u30fc\u30bf\u578b\u3092\u63a8\u6e2c\u3057\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u305f\u3081\u524a\u9664\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u3010\u624b\u98067\u3011\u3067\u793a\u3057\u305f\u4e00\u756a\u4e0b\u306e\u300c\u5909\u66f4\u3055\u308c\u305f\u578b\u300d\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u8a2d\u5b9a\u5f8c\u306bPower Query\u304c\u30c7\u30fc\u30bf\u578b\u3092\u63a8\u6e2c\u3057\u305f\u51e6\u7406\u3067\u3042\u308a\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u3084\u65e5\u4ed8\u306e\u8868\u8a18\u3092\u5909\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u4f8b\u3067\u306f\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3010\u624b\u98068\u3011\u5217\u540d\u306e\u5de6\u5074\u306b\u3042\u308b\u30c7\u30fc\u30bf\u578b\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u62bc\u3057\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u6ce8\u6587\u65e5\u30fb\u4f1a\u54e1\u756a\u53f7\u306a\u3069\u3001\u5143\u306e\u8868\u8a18\u3092\u6b8b\u3059\u5217\u3092\u300c\u30c6\u30ad\u30b9\u30c8\u300d\u306b\u8a2d\u5b9a\u3059\u308b\u3002\u8a08\u7b97\u306b\u4f7f\u3046\u6570\u5024\u306e\u5217\u306f\u3001\u5024\u306b\u5408\u308f\u305b\u3066\u300c\u6574\u6570\u300d\u300c10\u9032\u6570\u300d\u306a\u3069\u3092\u9078\u3076<\/li>\n<\/ul>\n<p>\u300c\u5217\u306e\u7a2e\u985e\u306e\u5909\u66f4\u300d\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u3059\u3067\u306b\u3042\u308b\u578b\u306e\u8a2d\u5b9a\u3092\u4eca\u56de\u6307\u5b9a\u3057\u305f\u578b\u3078\u66f4\u65b0\u3059\u308b\u305f\u3081\u3001\u300c\u73fe\u5728\u3092\u7f6e\u63db\u300d\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6821\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types.png\" alt=\"Power Query\u3067\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u6ce8\u6587\u65e5\u30fb\u4f1a\u54e1\u756a\u53f7\u3092\u30c6\u30ad\u30b9\u30c8\u578b\u3001\u58f2\u4e0a\u91d1\u984d\u3092\u6574\u6570\u578b\u306b\u8a2d\u5b9a\u3057\u305f\u753b\u9762\" width=\"2186\" height=\"938\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types.png 2186w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-300x129.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-1024x439.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-768x330.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-1536x659.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-2048x879.png 2048w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-400x172.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-800x343.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/power-query-csv-column-data-types-1200x515.png 1200w\" sizes=\"auto, (max-width: 2186px) 100vw, 2186px\" \/><\/p>\n<p>\u5217\u540d\u306e\u5de6\u5074\u306b\u300cABC\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5217\u304c\u30c6\u30ad\u30b9\u30c8\u578b\u3001\u300c123\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5217\u304c\u6574\u6570\u578b\u3067\u3059\u3002<\/p>\n<p>Power Query\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u3001\u5546\u54c1\u30b3\u30fc\u30c9\u306e\u5148\u982d\u306e0\u3001\u6ce8\u6587\u65e5\u306e\u8868\u8a18\u3001\u4f1a\u54e1\u756a\u53f7\u306e\u6841\u6570\u304c\u5143\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3010\u624b\u98069\u3011Power Query\u306e\u300c\u30db\u30fc\u30e0\u300d\u30bf\u30d6\u304b\u3089\u300c\u9589\u3058\u3066\u8aad\u307f\u8fbc\u3080\u300d\u3092\u9078\u3076<\/li>\n<\/ul>\n<p>\u8aad\u307f\u8fbc\u307f\u5f8c\u306f\u3001\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u4e0a\u3067\u3082\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u6ce8\u6587\u65e5\u30fb\u4f1a\u54e1\u756a\u53f7\u3092\u5143\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3068\u7167\u5408\u3057\u3001\u8868\u8a18\u3084\u5024\u304c\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u65e5\u4ed8\u95a2\u6570\u3084\u65e5\u5225\u30fb\u6708\u5225\u306e\u96c6\u8a08\u306b\u4f7f\u7528\u3059\u308b\u5217\u306f\u3001\u5143\u30c7\u30fc\u30bf\u3092\u5225\u306b\u6b8b\u3057\u305f\u3046\u3048\u3067\u3001\u4f5c\u696d\u76ee\u7684\u306b\u5fdc\u3058\u3066\u65e5\u4ed8\u578b\u3078\u5909\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u53d6\u308a\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u7d99\u7d9a\u3057\u3066\u7de8\u96c6\u3059\u308b\u5834\u5408\u306f\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u300d\u304b\u3089\u300c\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u300d\u3092\u958b\u304d\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u304b\u3089\u300cExcel \u30d6\u30c3\u30af\uff08*.xlsx\uff09\u300d\u3092\u9078\u3093\u3067\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3 id=\"csv-excel-combine\">\u3010\u8cea\u554f3\u3011CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306f\u4f75\u7528\u3067\u304d\u308b\uff1f<\/h3>\n<p><strong>CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306f\u30011\u3064\u306e\u696d\u52d9\u306e\u4e2d\u3067\u4f75\u7528\u3067\u304d\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4f8b\u3048\u3070\u3001CSV\u3067\u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf\u3092Excel\u3067\u52a0\u5de5\u3057\u3001\u63d0\u51fa\u6642\u306b\u6307\u5b9a\u3055\u308c\u305fCSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u308c\u30893\u3064\u306f\u305d\u308c\u305e\u308c\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u3001Excel\u4f5c\u696d\u7528\u3092\u66f4\u65b0\u3057\u3066\u3082CSV\u63d0\u51fa\u7528\u3078\u81ea\u52d5\u3067\u306f\u53cd\u6620\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u6b21\u306e\u66f4\u65b0\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>CSV\u539f\u672c\uff1a<\/strong>\u52a0\u5de5\u524d\u306e\u30c7\u30fc\u30bf\u3068\u3057\u3066\u6b8b\u3057\u3001\u4e0a\u66f8\u304d\u3057\u306a\u3044<\/li>\n<li><strong>Excel\u4f5c\u696d\u7528\uff1a<\/strong>\u30c7\u30fc\u30bf\u306e\u4fee\u6b63\u3084\u96c6\u8a08\u306f\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u884c\u3046<\/li>\n<li><strong>CSV\u63d0\u51fa\u7528\uff1a<\/strong>Excel\u4f5c\u696d\u7528\u3092\u4fee\u6b63\u5f8c\u306b\u6700\u65b0\u306e\u5185\u5bb9\u304b\u3089\u6539\u3081\u3066\u4fdd\u5b58\u3057\u3001\u9805\u76ee\u540d\u30fb\u5217\u9806\u30fbCSV\u5f62\u5f0f\u304c\u63d0\u51fa\u5148\u306e\u6307\u5b9a\u3069\u304a\u308a\u304b\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<p>CSV\u539f\u672c\u30fbExcel\u4f5c\u696d\u7528\u30fbCSV\u63d0\u51fa\u7528\u306e\u95a2\u4fc2\u306f\u30012\u7ae0\u300e<a href=\"#csv-excel-use-case\">\u3010\u9078\u3073\u65b91\u3011\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u3067\u9078\u3076<\/a>\u300f\u306e\u56f3\u3067\u3082\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"csv-row-limit\">\u3010\u8cea\u554f4\u3011CSV\u30d5\u30a1\u30a4\u30eb\u306b\u3082Excel\u306e\u3088\u3046\u306a\u884c\u6570\u306e\u4e0a\u9650\u306f\u3042\u308b\uff1f<\/h3>\n<p><strong>CSV\u5f62\u5f0f\u305d\u306e\u3082\u306e\u306b\u306f\u4e00\u5f8b\u306e\u884c\u6570\u4e0a\u9650\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u6271\u3048\u308b\u884c\u6570\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u308a\u53d6\u308a\u8fbc\u3093\u3060\u308a\u3059\u308b\u30bd\u30d5\u30c8\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u4e0a\u9650\u306b\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4f8b\u3048\u3070\u3001Excel\u306e1\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3067\u6271\u3048\u308b\u4e0a\u9650\u306f1,048,576\u884c\u300116,384\u5217\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/support.microsoft.com\/ja-JP\/Excel\/excel-specifications-and-limits\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6764\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits.png\" alt=\"Excel\u306e1\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306e\u4e0a\u9650\u304c1,048,576\u884c\u300116,384\u5217\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\" width=\"805\" height=\"679\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits.png 805w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits-300x253.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits-768x648.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits-400x337.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-worksheet-row-column-limits-800x675.png 800w\" sizes=\"auto, (max-width: 805px) 100vw, 805px\" \/><\/a><\/p>\n<div style=\"text-align: right;\"><span style=\"font-size: 10pt;\">\u5f15\u7528\uff1a<a href=\"https:\/\/support.microsoft.com\/ja-JP\/Excel\/excel-specifications-and-limits\" target=\"_blank\" rel=\"noopener\">Microsoft\u300cExcel\u306e\u4ed5\u69d8\u3068\u5236\u9650\u300d<\/a><\/span><\/div>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306b1,048,576\u884c\u3092\u8d85\u3048\u308b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3067\u304d\u3066\u3082\u3001Excel\u3067\u76f4\u63a5\u958b\u3044\u305f\u5834\u5408\u306f\u3001\u4e0a\u9650\u3092\u8d85\u3048\u305f\u884c\u3092\u540c\u3058\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306b\u8868\u793a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u306e\u4e0a\u9650\u306fExcel\u304c\u5feb\u9069\u306b\u51e6\u7406\u3067\u304d\u308b\u30c7\u30fc\u30bf\u91cf\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u4e0a\u9650\u672a\u6e80\u3067\u3082\u5217\u6570\u3084\u6570\u5f0f\u306e\u91cf\u3001PC\u306e\u6027\u80fd\u306b\u3088\u3063\u3066\u52d5\u4f5c\u304c\u91cd\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Excel\u306e\u4e0a\u9650\u3092\u8d85\u3048\u308bCSV\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u76ee\u7684\u306b\u5fdc\u3058\u3066\u6b21\u306e\u3088\u3046\u306b\u6271\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30c7\u30fc\u30bf\u3092\u4fdd\u7ba1\u3059\u308b\uff1a<\/strong>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u307e\u307e\u6b8b\u3059\u304b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u683c\u7d0d\u3059\u308b<\/li>\n<li><strong>\u4e00\u90e8\u3092\u78ba\u8a8d\u30fb\u7de8\u96c6\u3059\u308b\uff1a<\/strong>Power Query\u3067\u5fc5\u8981\u306a\u884c\u30fb\u5217\u306b\u7d5e\u3063\u3066\u304b\u3089\u3001Excel\u306e\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3078\u8aad\u307f\u8fbc\u3080<\/li>\n<li><strong>\u7e70\u308a\u8fd4\u3057\u96c6\u8a08\u30fb\u5206\u6790\u3059\u308b\uff1a<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068SQL\u3001Python\u306a\u3069\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3059\u308b<\/li>\n<\/ul>\n<p>CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3060\u3051\u3067\u306f\u3001Excel\u306e\u884c\u6570\u4e0a\u9650\u3092\u8d85\u3048\u305f\u90e8\u5206\u307e\u3067\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u91cf\u306e\u5897\u52a0\u306b\u3088\u3063\u3066Excel\u3060\u3051\u3067\u306e\u7ba1\u7406\u304c\u96e3\u3057\u304f\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u300e<a href=\"https:\/\/cacco.co.jp\/datascience\/media\/data-analysis-environment\/6481\/\" target=\"_blank\" rel=\"noopener\">Excel\u306b\u306f\u9650\u754c\u304c\u3042\u308b\uff01\u30c7\u30fc\u30bf\u7ba1\u7406\u306b\u9650\u754c\u3092\u611f\u3058\u305f\u3068\u304d\u306e3\u3064\u306e\u5bfe\u51e6\u6cd5\u3084\u4ee3\u66ff\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u89e3\u8aac<\/a>\u300f\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\u904b\u7528\u306e\u898b\u76f4\u3057\u65b9\u3084\u4ee3\u66ff\u30c4\u30fc\u30eb\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<div class=\"cardlink cardlink--vertical\">\n  <a href=\"https:\/\/cacco.co.jp\/datascience\/media\/data-analysis-environment\/6481\/\" target=\"_blank\">\n    <div class=\"cardlink_thumbnail\"><img src='https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Excel-\u9650\u754c-\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1-300x182.png' alt='Excel\u306b\u306f\u9650\u754c\u304c\u3042\u308b\uff01\u30c7\u30fc\u30bf\u7ba1\u7406\u306b\u9650\u754c\u3092\u611f\u3058\u305f\u3068\u304d\u306e3\u3064\u306e\u5bfe\u51e6\u6cd5\u3084\u4ee3\u66ff\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u89e3\u8aac' \/><\/div>\n    <div class=\"cardlink_content\">\n      <span class=\"timestamp\">2026.06.15<\/span>\n      <div class=\"cardlink_title\">Excel\u306b\u306f\u9650\u754c\u304c\u3042\u308b\uff01\u30c7\u30fc\u30bf\u7ba1\u7406\u306b\u9650\u754c\u3092\u611f\u3058\u305f\u3068\u304d\u306e3\u3064\u306e\u5bfe\u51e6\u6cd5\u3084\u4ee3\u66ff\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u89e3\u8aac<\/div>\n      <div class=\"cardlink_excerpt\">\u300cExcel\u306e\u52d5\u4f5c\u304c\u9045\u304f\u3066\u4ed5\u4e8b\u304c\u9032\u307e\u306a\u3044\u300d\r\n\u300cExcel\u306e\u4ee3\u308f\u308a\u306b\u306a\u308b\u30c4\u30fc\u30eb\u3063\u3066\u4f55\u304c\u3042\u308b\uff1f\u300d\r\n\u3068\u3001\u60a9\u3093\u3067\u3044\u308b\u4eba\u306f\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\r\n\r\nExcel\u306f\u8ab0\u3067\u3082\u7c21\u5358\u306b\u4f7f\u3048\u308b\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3067\u3059\u304c\u3001\u6271\u3048\u308b\u30c7\u30fc\u30bf\u91cf\u306b\u5236\u9650\u304c\u3042\u308a\u3001\u5927\u898f\u6a21\u306a\u5206\u6790\u306b\u306f\u5411\u304b\u306a\u3044\u3068\u3044\u3046\u6b20\u70b9\u3082\u3042\u308a\u307e...<\/div>\n    <\/div>\n  <\/a>\n<\/div>\n<h3 id=\"csv-value-rules\">\u3010\u8cea\u554f5\u3011CSV\u306e\u5024\u306b\u30ab\u30f3\u30de\u3084\u6539\u884c\u3092\u542b\u3081\u3066\u3082\u5927\u4e08\u592b\uff1f<\/h3>\n<p><strong>\u4e00\u822c\u7684\u306aCSV\u3067\u306f\u3001\u5024\u306b\u30ab\u30f3\u30de\u3084\u6539\u884c\u3092\u542b\u3081\u308b\u5834\u5408\u3001\u5024\u5168\u4f53\u3092\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\uff08\u534a\u89d2\u306e\u4e8c\u91cd\u5f15\u7528\u7b26\u300c&#8221;\u300d\uff09\u3067\u56f2\u307f\u307e\u3059\u3002<\/strong><\/p>\n<p>\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u307e\u306a\u3044\u3068\u3001\u5024\u306e\u9014\u4e2d\u306b\u3042\u308b\u30ab\u30f3\u30de\u304c\u5217\u306e\u533a\u5207\u308a\u3068\u3057\u3066\u8aad\u307f\u53d6\u3089\u308c\u3001\u30c7\u30fc\u30bf\u304c\u5225\u306e\u5217\u3078\u5206\u304b\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u8868\u3067\u3001\u30ab\u30f3\u30de\u30fb\u6539\u884c\u30fb\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3092\u542b\u3080\u5024\u306e\u8a18\u8ff0\u4f8b\u3092\u307e\u3068\u3081\u3001\u5b9f\u969b\u306e\u6539\u884c\u4f4d\u7f6e\u306f\u300c\uff3b\u6539\u884c\uff3d\u300d\u3068\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"s_table\"><table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 28%;\"><strong>\u5143\u306e\u5024<\/strong><\/th>\n<th style=\"width: 34%;\"><strong>CSV\u3067\u306e\u8a18\u8ff0\u4f8b<\/strong><\/th>\n<th style=\"width: 38%;\"><strong>\u8a18\u8ff0\u65b9\u6cd5<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 28%;\">\u6771\u4eac,\u5927\u962a<\/td>\n<td style=\"width: 34%;\">&#8220;\u6771\u4eac,\u5927\u962a&#8221;<\/td>\n<td style=\"width: 38%;\">\u30ab\u30f3\u30de\u3092\u542b\u3080\u5024\u5168\u4f53\u3092\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u3080<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 28%;\">\u6771\u4eac\u90fd\uff3b\u6539\u884c\uff3d\u5343\u4ee3\u7530\u533a<\/td>\n<td style=\"width: 34%;\">&#8220;\u6771\u4eac\u90fd\uff3b\u6539\u884c\uff3d\u5343\u4ee3\u7530\u533a&#8221;<\/td>\n<td style=\"width: 38%;\">\u5b9f\u969b\u306e\u6539\u884c\u3092\u542b\u3080\u5024\u5168\u4f53\u3092\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u3080<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 28%;\">\u5546\u54c1&#8221;A&#8221;<\/td>\n<td style=\"width: 34%;\">&#8220;\u5546\u54c1&#8221;&#8221;A&#8221;&#8221;&#8221;<\/td>\n<td style=\"width: 38%;\">\u5024\u306e\u4e2d\u306e\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u30922\u3064\u91cd\u306d\u3001\u5024\u5168\u4f53\u3082\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u3080<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>Excel\u304b\u3089CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u305f\u5f8c\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u958b\u304f\u300d\u304b\u3089\u300c\u30e1\u30e2\u5e33\u300d\u3092\u9078\u3073\u3001\u30ab\u30f3\u30de\u3084\u6539\u884c\u3092\u542b\u3080\u5024\u304c\u610f\u56f3\u3057\u305f\u5f62\u3067\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u624b\u4f5c\u696d\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u3001\u53d6\u308a\u8fbc\u307f\u5148\u304c\u6307\u5b9a\u3059\u308b\u8a18\u8ff0\u65b9\u6cd5\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u306a\u304a\u3001CSV\u4ee5\u5916\u306b\u3082\u3001\u533a\u5207\u308a\u6587\u5b57\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3059\u308b\u5f62\u5f0f\u3068\u3057\u3066TSV\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"well2\">TSV\uff08Tab-Separated Values\uff09\u3068\u306f\u3001\u9805\u76ee\u3092\u30ab\u30f3\u30de\u3067\u306f\u306a\u304f\u30bf\u30d6\u3067\u533a\u5207\u308b\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3067\u3059\u3002<br \/>\n\u5024\u306b\u30ab\u30f3\u30de\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3082\u3001\u305d\u306e\u30ab\u30f3\u30de\u3092\u5217\u306e\u533a\u5207\u308a\u3068\u3057\u3066\u6271\u308f\u305a\u306b\u6e08\u307f\u307e\u3059\u3002<\/p>\n<h3 id=\"excel-csv-save\">\u3010\u8cea\u554f6\u3011Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3084\u308a\u65b9\u306f\uff1f<\/h3>\n<p><strong>Excel\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u300c\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u300d\u3067CSV\u5f62\u5f0f\u3092\u9078\u3076\u3068\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/strong><\/p>\n<p>Windows\u7248Microsoft 365\u3067\u306f\u3001\u6b21\u306e\u624b\u9806\u3067\u64cd\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u753b\u9762\u4e0b\u90e8\u306e\u30b7\u30fc\u30c8\u30bf\u30d6\u3067CSV\u306b\u3059\u308b\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3092\u9078\u3073\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u300d\u304b\u3089\u300c\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u300d\u3092\u958b\u304f<\/li>\n<li>\u300c\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u300d\u304b\u3089\u3001\u53d6\u308a\u8fbc\u307f\u5148\u304c\u6307\u5b9a\u3059\u308bCSV\u5f62\u5f0f\u3092\u9078\u3076<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u4fdd\u5b58\u5148\u3092\u78ba\u8a8d\u3057\u3001\u300c\u4fdd\u5b58\u300d\u3092\u62bc\u3059<\/li>\n<\/ol>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6824\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1.png\" alt=\"Excel\u306e\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u753b\u9762\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u306bCSV UTF-8\u3092\u9078\u629e\u3057\u305f\u753b\u9762\" width=\"1920\" height=\"746\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1.png 1920w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-300x117.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-1024x398.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-768x298.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-1536x597.png 1536w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-400x155.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-800x311.png 800w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-save-as-csv-file-type-1-1200x466.png 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p>\u4e0a\u306e\u753b\u9762\u3067\u306f\u300cCSV UTF-8\uff08\u30b3\u30f3\u30de\u533a\u5207\u308a\uff09\u300d\u3092\u9078\u3093\u3067\u3044\u307e\u3059\u304c\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u767b\u9332\u3084\u4ed6\u793e\u3078\u306e\u63d0\u51fa\u3067\u306f\u3001\u53d6\u308a\u8fbc\u307f\u5148\u304c\u6307\u5b9a\u3059\u308bCSV\u5f62\u5f0f\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Excel\u3067CSV\u5f62\u5f0f\u3092\u9078\u3093\u3067\u4fdd\u5b58\u3059\u308b\u64cd\u4f5c\u304c\u3001Excel\u30d5\u30a1\u30a4\u30eb\u304b\u3089CSV\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u5909\u63db\u306b\u5f53\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>\u4fdd\u5b58\u524d\u5f8c\u306e\u6ce8\u610f\u70b9\u306f\u3001\u6b21\u306e\u3010\u8cea\u554f7\u3011\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"excel-csv-caution\">\u3010\u8cea\u554f7\u3011Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/h3>\n<p><strong>Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u9078\u629e\u4e2d\u306e\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u306e\u6587\u5b57\u3068\u5024\u304c\u4fdd\u5b58\u3055\u308c\u3001\u6570\u5f0f\u305d\u306e\u3082\u306e\u30fb\u66f8\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u307b\u304b\u306e\u30b7\u30fc\u30c8\u306f\u4fdd\u6301\u3055\u308c\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>\u5143\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3092\u6b8b\u3057\u305f\u3046\u3048\u3067\u3001CSV\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u30b7\u30fc\u30c8\u3068\u53d6\u308a\u8fbc\u307f\u5148\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u4fdd\u5b58\u524d\u5f8c\u306b\u78ba\u8a8d\u3059\u308b\u4e3b\u306a\u9805\u76ee\u306f\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>CSV\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3092\u6b63\u3057\u304f\u9078\u629e\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u6570\u5f0f\u306f\u8a08\u7b97\u7d50\u679c\u306e\u5024\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3082\u554f\u984c\u306a\u3044\u304b<\/li>\n<li>\u30bb\u30eb\u306e\u8272\u30fb\u7f6b\u7dda\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3092\u6b8b\u3059\u5fc5\u8981\u304c\u306a\u3044\u304b<\/li>\n<li>\u5143\u306eExcel\u30d5\u30a1\u30a4\u30eb\uff08.xlsx\uff09\u3092\u5225\u306b\u4fdd\u5b58\u3057\u305f\u304b<\/li>\n<li>\u6587\u5b57\u30b3\u30fc\u30c9\u30fb\u9805\u76ee\u540d\u30fb\u5217\u9806\u304c\u53d6\u308a\u8fbc\u307f\u5148\u306e\u6307\u5b9a\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>ID\u306e\u5148\u982d\u306e0\u3001\u65e5\u4ed8\u3001\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u304c\u610f\u56f3\u3057\u306a\u3044\u5024\u3078\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n<\/ul>\n<p>CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u9078\u629e\u4e2d\u306e\u30b7\u30fc\u30c8\u3060\u3051\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u3092\u77e5\u3089\u305b\u308b\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6815\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning.png\" alt=\"Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u9078\u629e\u4e2d\u306e\u30b7\u30fc\u30c8\u3060\u3051\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3059\u8b66\u544a\u753b\u9762\" width=\"1130\" height=\"860\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning.png 1130w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning-300x228.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning-1024x779.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning-768x584.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning-400x304.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/08\/excel-csv-active-sheet-warning-800x609.png 800w\" sizes=\"auto, (max-width: 1130px) 100vw, 1130px\" \/><\/p>\n<p>\u3053\u306e\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u5143\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u3044\u308b\u3053\u3068\u3068\u3001CSV\u306b\u3059\u308b\u30b7\u30fc\u30c8\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u300cOK\u300d\u3092\u62bc\u3057\u3066\u4fdd\u5b58\u306b\u9032\u307f\u3001\u4e0d\u660e\u306a\u70b9\u304c\u3042\u308c\u3070\u300c\u30ad\u30e3\u30f3\u30bb\u30eb\u300d\u3092\u62bc\u3057\u3066\u30b7\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4fdd\u5b58\u5f8c\u306f\u30013\u7ae0\u306e\u300e<a href=\"#csv-excel-data-check\">\u5143\u30c7\u30fc\u30bf\u3068\u7167\u5408\u3059\u308b6\u9805\u76ee<\/a>\u300f\u3092\u53c2\u8003\u306b\u3001\u5143\u30c7\u30fc\u30bf\u3068\u4ef6\u6570\u30fbID\u30fb\u65e5\u4ed8\u30fb\u5408\u8a08\u5024\u306a\u3069\u3092\u6bd4\u8f03\u3057\u3001\u610f\u56f3\u3057\u306a\u3044\u5909\u5316\u304c\u306a\u3044\u304b\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306e5\u3064\u306e\u9055\u3044\u3084\u3001\u696d\u52d9\u306b\u5fdc\u3058\u305f\u9078\u3073\u65b9\u3001Excel\u3067CSV\u3092\u6271\u3046\u65b9\u6cd5\u3001CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><strong>CSV\u3068Excel\u306f\u3001\u4fdd\u5b58\u3067\u304d\u308b\u5185\u5bb9\u3084\u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u306e\u7528\u9014\u3068\u53d7\u3051\u6e21\u3057\u5148\u306e\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u9078\u3076\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/strong><\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u5d29\u3055\u305a\u6271\u3046\u305f\u3081\u306b\u3001\u6b21\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>CSV\u306f\u3001\u8868\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u591a\u304f\u306e\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u53d7\u3051\u6e21\u3059\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b<\/li>\n<li>Excel\u306f\u3001\u6570\u5f0f\u30fb\u66f8\u5f0f\u30fb\u30b0\u30e9\u30d5\u30fb\u8907\u6570\u30b7\u30fc\u30c8\u3092\u4f7f\u3063\u3066\u96c6\u8a08\u3084\u8cc7\u6599\u4f5c\u6210\u3092\u884c\u3046\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b<\/li>\n<li>ID\u30fb\u5546\u54c1\u30b3\u30fc\u30c9\u30fb\u65e5\u4ed8\u30fb\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u3092\u5143\u306e\u8868\u8a18\u306e\u307e\u307e\u6271\u3046\u5834\u5408\u306f\u3001CSV\u3092\u76f4\u63a5\u958b\u304b\u305aExcel\u306e\u53d6\u308a\u8fbc\u307f\u6a5f\u80fd\u3092\u4f7f\u3046<\/li>\n<li>Excel\u30d5\u30a1\u30a4\u30eb\u3092CSV\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306f\u3001\u5143\u306eExcel\u30d5\u30a1\u30a4\u30eb\u3082\u6b8b\u3057\u3001\u4fdd\u5b58\u3059\u308b\u30b7\u30fc\u30c8\u3068\u53d6\u308a\u8fbc\u307f\u5148\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li>CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u5f8c\u3084\u3001CSV\u5f62\u5f0f\u3068Excel\u5f62\u5f0f\u306e\u9593\u3067\u4fdd\u5b58\u5f62\u5f0f\u3092\u5909\u66f4\u3057\u305f\u5f8c\u306f\u3001\u5143\u30c7\u30fc\u30bf\u3068\u4ef6\u6570\u30fbID\u30fb\u65e5\u4ed8\u30fb\u5408\u8a08\u5024\u306a\u3069\u3092\u6bd4\u8f03\u3059\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u6570\u5f0f\u3084\u66f8\u5f0f\u304c\u5931\u308f\u308c\u305f\u308a\u3001ID\u3084\u65e5\u4ed8\u304c\u610f\u56f3\u3057\u306a\u3044\u5024\u3078\u5909\u308f\u3063\u305f\u308a\u3059\u308b\u30c8\u30e9\u30d6\u30eb\u3092\u9632\u304e\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Excel\u3084CSV\u306b\u84c4\u7a4d\u3057\u305f\u30c7\u30fc\u30bf\u306e\u6d3b\u7528\u65b9\u6cd5\u3092\u6574\u7406\u3057\u306b\u304f\u3044\u5834\u5408\u306f\u3001\u300c<a href=\"https:\/\/cacco.co.jp\/datascience\/?ref_type=dsmedia_6798\" target=\"_blank\" rel=\"noopener\">Cacco\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9<\/a>\u300d\u306b\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/cacco.co.jp\/datascience\/?ref_type=dsmedia_\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6558\" src=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png\" alt=\"Cacco_datascience\" width=\"1024\" height=\"300\" srcset=\"https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1.png 1024w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-300x88.png 300w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-768x225.png 768w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-400x117.png 400w, https:\/\/cacco.co.jp\/datascience\/media\/wp-content\/uploads\/2026\/06\/Cacco_datascience-1-800x234.png 800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"\u300cCSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\uff08\u30a8\u30af\u30bb\u30eb\uff09\u30d5\u30a1\u30a4\u30eb\u306f\u4f55\u304c\u9055\u3046\u306e\uff1f\u300d \u300cCSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u3066\u7de8\u96c6\u3057\u3066\u3082\u3001\u30c7\u30fc\u30bf\u306f\u5909\u308f\u3089\u306a\u3044\u306e\uff1f\u300d \u3068\u3001\u7591\u554f\u306b\u601d\u3063\u3066\u3044\u307e\u305b\u3093\u304b\uff1f CSV\u30d5\u30a1\u30a4\u30eb\u3068Excel\u30d5\u30a1\u30a4\u30eb\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u4fdd\u5b58\u5f62\u5f0f\u3001\u5bfe\u5fdc\u3059\u308b\u30bd\u30d5\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2\u3001\u4f7f\u3048\u308b\u6a5f\u80fd\u3001\u66f8\u5f0f\u8a2d\u5b9a\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e5\u3064\u3067\u3059\u3002 CSV\u30d5\u30a1\u30a4\u30eb\u3092Excel\u3067\u958b\u3044\u305f\u3060\u3051\u3067\u306f\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u66f8\u304d\u63db\u308f\u308a\u307e\u305b\u3093\u304c\u3001\u76f4\u63a5\u958b\u3044\u305f\u969b\u306b\u5148\u982d\u306e0\u3084\u65e5\u4ed8\u3001\u6841\u6570\u306e\u591a\u3044\u756a\u53f7\u306a\u3069\u304c\u81ea\u52d5\u5909\u63db\u3055\u308c\u305f\u5834\u5408\u3001\u305d\u306e\u307e\u307e\u4e0a\u66f8\u304d\u4fdd\u5b58\u3059\u308b\u3068\u5909\u63db\u5f8c\u306e\u5024\u304c\u5143\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3078\u53cd\u6620\u3055\u308c\u307e\u3059\u3002 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