{"id":18356,"date":"2026-09-04T08:01:26","date_gmt":"2026-09-03T23:01:26","guid":{"rendered":"https:\/\/m365jp.net\/?p=18356"},"modified":"2026-09-04T08:03:59","modified_gmt":"2026-09-03T23:03:59","slug":"mc1466753-microsoft-word-similarity-checker-retirement","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-09-04-mc1466753-microsoft-word-similarity-checker-retirement","title":{"rendered":"MC1466753 | Microsoft Word: Similarity Checker retirement"},"content":{"rendered":"
\n
\n
\n\n\n\n
MC1466753 | Microsoft Word: Similarity Checker retirement<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n
Classification<\/th>\nplanForChange<\/td>\n<\/tr>\n
Last Updated<\/th>\n09\/03\/2026 22:57:58<\/td>\n<\/tr>\n
Start Time<\/th>\n09\/03\/2026 22:57:15<\/td>\n<\/tr>\n
End Time<\/th>\n11\/03\/2026 08:00:00<\/td>\n<\/tr>\n
Message Content<\/th>\n\n

[What and why]<\/b><\/p>\n

We are retiring Similarity Checker in Microsoft Word on October 3, 2026<\/b>. After the retirement date, Similarity Checker will no longer be available as part of the Microsoft Editor experience in Word.<\/p>\n

This change allows us to focus on experiences and capabilities that are more broadly used across Microsoft Word.<\/p>\n

[Rollout schedule]<\/b><\/p>\n

    \n
  • Worldwide, GCC, and DoD: <\/b>Beginning on October 3, 2026<\/li>\n<\/ul>\n

    [Impact on your organization]<\/b><\/p>\n

    Who is affected<\/em><\/p>\n

      \n
    • Organizations and users that currently use Similarity Checker in Microsoft Word<\/li>\n<\/ul>\n

      Platforms and services<\/em><\/p>\n

        \n
      • Microsoft Word<\/li>\n
      • Microsoft Editor<\/li>\n<\/ul>\n

        What will happen<\/em><\/p>\n

          \n
        • Similarity Checker will be removed from Microsoft Word.<\/li>\n
        • After retirement, users will no longer be able to access Similarity Checker through the Editor experience in Word.<\/li>\n
        • Other Microsoft Word writing, editing, and citation capabilities will not be affected.<\/li>\n
        • Microsoft Editor will continue to provide spelling, grammar, clarity, and style suggestions.<\/li>\n
        • Microsoft 365 Copilot capabilities in Word are not affected by this change.<\/li>\n
        • Note: Copilot is not intended to serve as a formal similarity, plagiarism, or originality validation tool.<\/li>\n<\/ul>\n

          [Action required and recommendations]<\/b><\/p>\n

          No action is required.<\/p>\n

          If your organization currently uses Similarity Checker:<\/p>\n

            \n
          • Review workflows that depend on Similarity Checker.<\/li>\n
          • Inform users who rely on the feature about the upcoming retirement.<\/li>\n
          • Evaluate alternative solutions if formal similarity or originality validation is required.<\/li>\n
          • Update internal documentation or training materials that reference Similarity Checker.<\/li>\n<\/ul>\n

            [Compliance considerations]<\/b><\/p>\n

            No compliance considerations identified. Review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\n

[\u4f55\u3068\u306a\u305c]<\/b><\/p>\n

Microsoft Word\u306e\u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u306f 2026\u5e7410\u67083<\/b>\u65e5\u306b\u5ec3\u6b62\u3055\u308c\u307e\u3059\u3002\u5ec3\u6b62\u65e5\u4ee5\u964d\u3001\u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u306fWord\u306eMicrosoft Editor\u4f53\u9a13\u306e\u4e00\u90e8\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001Microsoft Word\u5168\u4f53\u3067\u3088\u308a\u5e83\u304f\u4f7f\u308f\u308c\u308b\u4f53\u9a13\u3084\u6a5f\u80fd\u306b\u6ce8\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

[\u5c55\u958b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb]<\/b><\/p>\n

    \n
  • \u4e16\u754c\u3001GCC\u3001\u56fd\u9632\u7dcf\u7701: <\/b>2026\u5e7410\u67083\u65e5\u304b\u3089\u958b\u59cb<\/li>\n<\/ul>\n

    [\u7d44\u7e54\u3078\u306e\u5f71\u97ff]<\/b><\/p>\n

    \u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269<\/em><\/p>\n

      \n
    • \u73fe\u5728Microsoft Word\u3067\u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u7d44\u7e54\u3084\u30e6\u30fc\u30b6\u30fc<\/li>\n<\/ul>\n

      \u30db\u30fc\u30e0\u3068\u30b5\u30fc\u30d3\u30b9<\/em><\/p>\n

        \n
      • Microsoft Word<\/li>\n
      • \u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u30a8\u30c7\u30a3\u30bf\u30fc<\/li>\n<\/ul>\n

        \u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/em><\/p>\n

          \n
        • \u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u306fMicrosoft Word\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/li>\n
        • \u9000\u8077\u5f8c\u306f\u3001Word\u306e\u30a8\u30c7\u30a3\u30bf\u30fc\u4f53\u9a13\u3092\u901a\u3058\u3066\u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n
        • \u305d\u306e\u4ed6\u306eMicrosoft Word\u306e\u66f8\u304d\u8fbc\u307f\u3001\u7de8\u96c6\u3001\u5f15\u7528\u6a5f\u80fd\u306f\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/li>\n
        • Microsoft Editor\u306f\u5f15\u304d\u7d9a\u304d\u30b9\u30da\u30eb\u3001\u6587\u6cd5\u3001\u660e\u77ad\u3055\u3001\u30b9\u30bf\u30a4\u30eb\u306e\u63d0\u6848\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n
        • Microsoft 365 Copilot\u306eWord\u6a5f\u80fd\u306f\u3053\u306e\u5909\u66f4\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/li>\n
        • \u6ce8:Copilot\u306f\u985e\u4f3c\u6027\u3001\u76d7\u7528\u3001\u72ec\u81ea\u6027\u306e\u691c\u8a3c\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n

          [\u884c\u52d5\u304c\u5fc5\u8981\u3068\u63d0\u8a00]<\/b><\/p>\n

          \u4f55\u306e\u5bfe\u5fdc\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

          \u3082\u3057\u3042\u306a\u305f\u306e\u7d44\u7e54\u304c\u73fe\u5728\u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408:<\/p>\n

            \n
          • Similarity Checker\u306b\u4f9d\u5b58\u3059\u308b\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u898b\u76f4\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n
          • \u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3001\u4eca\u5f8c\u306e\u9000\u8077\u306b\u3064\u3044\u3066\u77e5\u3089\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u5f62\u5f0f\u7684\u306a\u985e\u4f3c\u6027\u3084\u72ec\u81ea\u6027\u306e\u691c\u8a3c\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4ee3\u66ff\u6848\u3092\u8a55\u4fa1\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
          • \u985e\u4f3c\u5ea6\u30c1\u30a7\u30c3\u30ab\u30fc\u306b\u95a2\u3059\u308b\u5185\u90e8\u6587\u66f8\u3084\u7814\u4fee\u8cc7\u6599\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n

            [\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805]<\/b><\/p>\n

            \u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u306f\u7279\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u7d44\u7e54\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

            MC1466753 | Microsoft Word: Similarity Checker retirement Classification planForChange Last Updated 09\/03\/2026 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18356","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=18356"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18356\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}