{"id":16189,"date":"2026-05-01T02:05:08","date_gmt":"2026-04-30T17:05:08","guid":{"rendered":"https:\/\/m365jp.net\/?p=16189"},"modified":"2026-05-01T02:06:12","modified_gmt":"2026-04-30T17:06:12","slug":"mc1296480-microsoft-365-copilot-will-use-private-community-and-event-content-as-grounding-sources","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-01-mc1296480-microsoft-365-copilot-will-use-private-community-and-event-content-as-grounding-sources","title":{"rendered":"MC1296480 | Microsoft 365 Copilot will use private community and event content as grounding sources"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1296480 | Microsoft 365 Copilot will use private community and event content as grounding sources<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>stayInformed<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>04\/30\/2026 16:18:17<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>04\/30\/2026 16:18:01<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>07\/30\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[Introduction]<\/b><\/p>\n<p><b>Microsoft 365 Copilot<\/b> will begin using content from private communities and private events as  <b>grounding sources<\/b> to generate responses. This change helps Copilot provide more relevant and context-aware answers by incorporating content that users already have access to, while continuing to respect existing permissions and security controls.<\/p>\n<\/p>\n<p>This message is associated with <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=515144#Roadmap\" target=\"_blank\">  515144<\/a><\/b>.<\/p>\n<p><b>[When this will happen]<\/b><\/p>\n<p style=\"margin-left: 25px\"><b>General Availability (Worldwide):&nbsp;<\/b>We will begin rolling out this feature in<b>&nbsp;May 2026<\/b> and expect to complete the rollout by  <b>late June 2026<\/b>.<\/p>\n<p><b>[How this affects your organization]<\/b><\/p>\n<p>Who is affected:<\/p>\n<p style=\"margin-left: 25px\">All Microsoft 365 tenants using <b>Microsoft 365 Copilot<\/b><\/p>\n<p>What will happen<\/p>\n<ul>\n<li>Microsoft 365 Copilot may reference content from private communities and private events when generating responses.<\/li>\n<li>Users will only see content they already have permission to access:\n<p>&nbsp;<img decoding=\"async\" style=\"width: 400px\" alt=\"user settings\" src=\"https:\/\/cxcs.microsoft.net\/static\/public\/messagecenter\/neutral\/1bba4121-80c7-45e2-86b9-1dd457595cc0\/e4ebeaf6fe64eba81cbc3b5e4fb1108b423d31b7.png\"><\/p>\n<\/li>\n<li>Sensitivity labels applied to the source content will be displayed alongside Copilot citations, when applicable.<\/li>\n<li>The feature is <b>enabled by default <\/b>and <b>cannot be turned off<\/b>.<\/li>\n<\/ul>\n<p><b>[What you can do to prepare]<\/b><\/p>\n<p>No action is required.<\/p>\n<p>You may want to inform administrators, compliance teams, or helpdesk staff that Copilot can now reference private community and event content while continuing to honor existing permissions and sensitivity labels.<\/p>\n<p><b>[Compliance considerations]<\/b><\/p>\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td><b>Question<\/b><\/td>\n<td><b>Answer<\/b><\/td>\n<\/tr>\n<tr>\n<td>Does the change alter how existing customer data is processed, stored, or accessed?<\/td>\n<td>Yes. Existing private community and event content may now be accessed by Microsoft 365 Copilot as a grounding source, while respecting current permissions.<\/td>\n<\/tr>\n<tr>\n<td>Does the change introduce or significantly modify AI\/ML capabilities that interact with customer data?<\/td>\n<td>Yes. Microsoft 365 Copilot expands its grounding sources to include private community and private event content.<\/td>\n<\/tr>\n<tr>\n<td>Does the change provide end users a new way of interacting with generative AI?<\/td>\n<td>Yes. Copilot responses may now include insights derived from private community and event content the user can already access.<\/td>\n<\/tr>\n<tr>\n<td>Does the change modify or interact with Information Protection labels?<\/td>\n<td>Yes. Sensitivity labels applied to the source content are displayed alongside Copilot citations.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><\/b><\/p>\n<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p><b>[\u306f\u3058\u3081\u306b]<\/b><\/p>\n<p><b>Microsoft 365 Copilot<\/b> \u306f\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a4\u30d9\u30f3\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092 <b>\u57fa\u76e4\u3068\u306a\u308b\u60c5\u5831\u6e90<\/b> \u3068\u3057\u3066\u6d3b\u7528\u3057\u3001\u5fdc\u7b54\u3092\u751f\u6210\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001Copilot\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u3059\u3067\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u7d44\u307f\u8fbc\u307f\u3064\u3064\u3001\u65e2\u5b58\u306e\u6a29\u9650\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u3092\u5c0a\u91cd\u3057\u3064\u3064\u3001\u3088\u308a\u95a2\u9023\u6027\u304c\u9ad8\u304f\u6587\u8108\u306b\u914d\u616e\u3057\u305f\u56de\u7b54\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/p>\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=515144#Roadmap\" target=\"_blank\">  515144<\/a><\/b>\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><b>[\u3044\u3064\u8d77\u3053\u308b\u304b]<\/b><\/p>\n<p style=\"margin-left: 25px\"><b>\u4e00\u822c\u516c\u958b(\u4e16\u754c):&nbsp;<\/b>\u3053\u306e\u6a5f\u80fd\u306f<b>&nbsp;2026\u5e745\u6708\u306b<\/b> \u5c55\u958b\u3092\u958b\u59cb\u3057\u3001 <b>2026\u5e746\u6708\u4e0b\u65ec<\/b>\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p><b>[\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u4e0e\u3048\u308b\u5f71\u97ff]<\/b><\/p>\n<p>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269:<\/p>\n<p style=\"margin-left: 25px\"><b>Microsoft 365 Copilot<\/b>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30c6\u30ca\u30f3\u30c8<\/p>\n<p>\u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/p>\n<ul>\n<li>Microsoft 365 Copilot\u306f\u56de\u7b54\u751f\u6210\u6642\u306b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a4\u30d9\u30f3\u30c8\u306e\u5185\u5bb9\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u3059\u3067\u306b\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u6301\u3064\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u307f\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059:\n<p>&nbsp;<img decoding=\"async\" style=\"width: 400px\" alt=\"user settings\" src=\"https:\/\/cxcs.microsoft.net\/static\/public\/messagecenter\/neutral\/1bba4121-80c7-45e2-86b9-1dd457595cc0\/e4ebeaf6fe64eba81cbc3b5e4fb1108b423d31b7.png\"><\/p>\n<\/li>\n<li>\u30bd\u30fc\u30b9\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u9069\u7528\u3055\u308c\u308b\u611f\u5ea6\u30e9\u30d9\u30eb\u306f\u3001\u8a72\u5f53\u3059\u308b\u5834\u5408\u3001Copilot\u5f15\u7528\u3068\u3068\u3082\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u3053\u306e\u6a5f\u80fd\u306f <b>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9 <\/b>\u3067\u3001 <b>\u30aa\u30d5\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093<\/b>\u3002<\/li>\n<\/ul>\n<p><b>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u3011<\/b><\/p>\n<p>\u4f55\u306e\u5bfe\u5fdc\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u7ba1\u7406\u8005\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30c1\u30fc\u30e0\u3001\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u30b9\u30bf\u30c3\u30d5\u306b\u3001Copilot\u304c\u65e2\u5b58\u306e\u6a29\u9650\u3084\u30bb\u30f3\u30b7\u30c6\u30a3\u30b7\u30c6\u30a3\u30d6\u30e9\u30d9\u30eb\u3092\u5c0a\u91cd\u3057\u3064\u3064\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30a4\u30d9\u30f3\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u3092\u77e5\u3089\u305b\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805]<\/b><\/p>\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td><b>\u8cea\u554f<\/b><\/td>\n<td><b>\u56de\u7b54<\/b><\/td>\n<\/tr>\n<tr>\n<td>\u3053\u306e\u5909\u66f4\u306f\u65e2\u5b58\u306e\u9867\u5ba2\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3001\u4fdd\u5b58\u3001\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u3092\u5909\u3048\u307e\u3059\u304b?<\/td>\n<td>\u306f\u3044\u3002\u65e2\u5b58\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30a4\u30d9\u30f3\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u3001Microsoft 365 Copilot\u306b\u3088\u308b\u30b0\u30e9\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30bd\u30fc\u30b9\u3068\u3057\u3066\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3068\u306a\u308a\u3001\u73fe\u5728\u306e\u8a31\u53ef\u3092\u5c0a\u91cd\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u3053\u306e\u5909\u66f4\u306f\u9867\u5ba2\u30c7\u30fc\u30bf\u3068\u9023\u643a\u3059\u308bAI\/ML\u6a5f\u80fd\u3092\u5c0e\u5165\u307e\u305f\u306f\u5927\u5e45\u306b\u5909\u66f4\u3059\u308b\u3082\u306e\u304b?<\/td>\n<td>\u306f\u3044\u3002Microsoft 365 Copilot\u306f\u3001\u30b0\u30e9\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30bd\u30fc\u30b9\u3092\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30a4\u30d9\u30f3\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u3082\u62e1\u5927\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u3053\u306e\u5909\u66f4\u306f\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306b\u751f\u6210AI\u3068\u306e\u65b0\u3057\u3044\u95a2\u308f\u308a\u65b9\u3092\u3082\u305f\u3089\u3059\u306e\u3067\u3057\u3087\u3046\u304b?<\/td>\n<td>\u306f\u3044\u3002\u30b3\u30d1\u30a4\u30ed\u30c3\u30c8\u306e\u56de\u7b54\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u3059\u3067\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u30a4\u30d9\u30f3\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u304b\u3089\u5f97\u3089\u308c\u305f\u6d1e\u5bdf\u3082\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5909\u66f4\u306f\u60c5\u5831\u4fdd\u8b77\u30e9\u30d9\u30eb\u3092\u4fee\u6b63\u307e\u305f\u306f\u76f8\u4e92\u4f5c\u7528\u3055\u305b\u307e\u3059\u304b?<\/td>\n<td>\u306f\u3044\u3002\u30bd\u30fc\u30b9\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u9069\u7528\u3055\u308c\u305f\u611f\u5ea6\u30e9\u30d9\u30eb\u306f\u3001Copilot\u306e\u5f15\u7528\u3068\u4e26\u3093\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><\/b><\/p>\n<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1296480 | Microsoft 365 Copilot will use private community and event content as grounding sources Classifica [&hellip;]<\/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-16189","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16189","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=16189"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16189\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}