{"id":18444,"date":"2026-09-10T08:05:06","date_gmt":"2026-09-09T23:05:06","guid":{"rendered":"https:\/\/m365jp.net\/?p=18444"},"modified":"2026-09-10T08:05:27","modified_gmt":"2026-09-09T23:05:27","slug":"mc1469962-change-in-sender-email-address-for-copilot-emails","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-09-10-mc1469962-change-in-sender-email-address-for-copilot-emails","title":{"rendered":"MC1469962 | Change in sender email address for Copilot emails"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1469962 | Change in sender email address for Copilot emails<\/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>09\/09\/2026 22:32:05<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>09\/09\/2026 22:31:37<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>11\/24\/2026 08:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p>[What and Why:]<\/p>\n<p>To align with the Microsoft 365 Copilot transition to Microsoft Copilot, we are updating the sender identity for Microsoft Copilot educational and product enablement emails. These emails help users learn about Microsoft Copilot capabilities included in their   subscriptions, discover new features, and improve productivity with the tools available to them. This change provides consistent branding across Microsoft Copilot experiences while ensuring users continue to receive guidance, tips, and service updates.<\/p>\n<p><b>Rollout Schedule:<\/b><\/p>\n<ul>\n<li>General Availability (Worldwide): Mid-September 2026<\/li>\n<\/ul>\n<p>[Impact on Your Organization:]<\/p>\n<p><b>Who is affected:<\/b><\/p>\n<ul>\n<li>Organizations that have opted in to receive Microsoft product and service communications for users with Microsoft Copilot features enabled.<\/li>\n<li>Microsoft 365 administrators who manage mail flow rules, allow lists, or safe sender configurations.<\/li>\n<li>Users who are newly enabled for Microsoft Copilot services and capabilities and\/or users previously enabled who are already receiving emails.<\/li>\n<\/ul>\n<p><b>Platforms\/Services:<\/b><\/p>\n<ul>\n<li>Microsoft Copilot<\/li>\n<li>Exchange Online<\/li>\n<li>Microsoft Defender for Office 365<\/li>\n<li>Microsoft 365 end-user communications<\/li>\n<\/ul>\n<p><b>What will happen:<\/b><\/p>\n<ul>\n<li>Users continue to receive transactional service-enablement emails when they are granted access to Microsoft Copilot capabilities. Sender address will be updated to Microsoft Copilot (<a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a>).<\/li>\n<li>Users continue to receive educational and product enablement emails. Sender address will be updated to Microsoft Copilot (<a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a>).<\/li>\n<li>Emails will no longer be sent from Microsoft 365 Copilot (<a href=\"mailto:m365copilotupdates@microsoft.com\">m365copilotupdates@microsoft.com<\/a>).<\/li>\n<li>The content and purpose of these emails remain unchanged.<\/li>\n<li>Existing mail flow rules, safe sender entries, and allow lists that reference the previous sender address may need to be updated.<\/li>\n<li>This change is enabled automatically and does not require tenant configuration to take effect.<\/li>\n<\/ul>\n<p>[Action Required\/Recommendations:]<\/p>\n<ul>\n<li>Review mail flow rules, transport rules, safe sender configurations, and allow\/block lists that reference <a href=\"mailto:m365copilotupdates@microsoft.com\">m365copilotupdates@microsoft.com<\/a>.<\/li>\n<li>Update those configurations to use <a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a>.<\/li>\n<li>Add <a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a> to your organization&#8217;s safe sender or allow list to help ensure delivery.<\/li>\n<li>Review internal documentation or help desk guidance that references the previous sender address.<\/li>\n<li>Communicate this change to support teams if they assist users with email filtering or message delivery issues.<\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/defender-office-365\/tenant-allow-block-list-email-spoof-configure#create-allow-entries-for-domains-and-email-addresses\" rel=\"noopener noreferrer\" target=\"_blank\">Configure allow entries in Microsoft Defender for Office   365<\/a><\/li>\n<li><a href=\"https:\/\/support.microsoft.com\/office\/send-recommended-office-365-and-microsoft-365-training-81df76b4-1fca-430d-918e-b7fe03c3c056\" rel=\"noopener noreferrer\" target=\"_blank\">Ensure users receive Microsoft Copilot educational emails<\/a><\/li>\n<\/ul>\n<p>[Compliance Considerations:]<\/p>\n<p>No compliance considerations identified, review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p>[\u4f55\u3068\u306a\u305c:]<\/p>\n<p>Microsoft 365 Copilot\u304b\u3089Microsoft Copilot\u3078\u306e\u79fb\u884c\u306b\u5408\u308f\u305b\u3066\u3001Microsoft Copilot\u306e\u6559\u80b2\u304a\u3088\u3073\u88fd\u54c1\u30a4\u30f3\u30a8\u30a4\u30d6\u30eb\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u8005\u8b58\u5225\u3092\u66f4\u65b0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e1\u30fc\u30eb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306b\u542b\u307e\u308c\u308bMicrosoft Copilot\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u77e5\u308a\u3001\u65b0\u6a5f\u80fd\u3092\u767a\u898b\u3057\u3001\u5229\u7528\u53ef\u80fd\u306a\u30c4\u30fc\u30eb\u3067\u751f\u7523\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u306b\u3088\u308a\u3001Microsoft Copilot\u306e\u4f53\u9a13\u5168\u4f53\u3067\u4e00\u8cab\u3057\u305f\u30d6\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u304c\u63d0\u4f9b\u3055\u308c\u3064\u3064\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5f15\u304d\u7d9a\u304d\u30ac\u30a4\u30c0\u30f3\u30b9\u3001\u30d2\u30f3\u30c8\u3001\u30b5\u30fc\u30d3\u30b9\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><b>\u5c55\u958b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb:<\/b><\/p>\n<ul>\n<li>\u4e00\u822c\u516c\u958b(\u5168\u4e16\u754c\u516c\u958b):2026\u5e749\u6708\u4e2d\u65ec<\/li>\n<\/ul>\n<p>[\u7d44\u7e54\u3078\u306e\u5f71\u97ff:]<\/p>\n<p><b>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269:<\/b><\/p>\n<ul>\n<li>Microsoft Copilot\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306bMicrosoft\u88fd\u54c1\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u3092\u9078\u629e\u3057\u305f\u7d44\u7e54\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u30eb\u30fc\u30eb\u3001\u8a31\u53ef\u30ea\u30b9\u30c8\u3001\u30bb\u30fc\u30d5\u30bb\u30f3\u30c0\u30fc\u8a2d\u5b9a\u3092\u7ba1\u7406\u3059\u308bMicrosoft 365\u7ba1\u7406\u8005\u3002<\/li>\n<li>Microsoft Copilot\u306e\u30b5\u30fc\u30d3\u30b9\u3084\u6a5f\u80fd\u304c\u65b0\u305f\u306b\u6709\u52b9\u5316\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3001\u307e\u305f\u306f\u4ee5\u524d\u6709\u52b9\u3067\u3059\u3067\u306b\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3002<\/li>\n<\/ul>\n<p><b>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\/\u30b5\u30fc\u30d3\u30b9:<\/b><\/p>\n<ul>\n<li>Microsoft Copilot<\/li>\n<li>\u30a8\u30af\u30b9\u30c1\u30a7\u30f3\u30b8\u30fb\u30aa\u30f3\u30e9\u30a4\u30f3<\/li>\n<li>Microsoft Defender for Office 365<\/li>\n<li>Microsoft 365 \u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u901a\u4fe1<\/li>\n<\/ul>\n<p><b>\u4eca\u5f8c\u306e\u5c55\u958b:<\/b><\/p>\n<ul>\n<li>Microsoft Copilot\u306e\u6a5f\u80fd\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u8a8d\u3081\u3089\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u5f15\u304d\u7d9a\u304d\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u578b\u30b5\u30fc\u30d3\u30b9\u30a4\u30cd\u30fc\u30d6\u30eb\u30e1\u30f3\u30c8\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u306fMicrosoft Copilot(<a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a>)\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u5f15\u304d\u7d9a\u304d\u6559\u80b2\u304a\u3088\u3073\u88fd\u54c1\u30a4\u30cd\u30fc\u30d6\u30eb\u30e1\u30f3\u30c8\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u9001\u4fe1\u8005\u4f4f\u6240\u306fMicrosoft Copilot(<a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a>)\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>Microsoft 365 Copilot(<a href=\"mailto:m365copilotupdates@microsoft.com\">m365copilotupdates@microsoft.com<\/a>)\u304b\u3089\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u306f\u7d42\u4e86\u3057\u307e\u3059\u3002<\/li>\n<li>\u3053\u308c\u3089\u306e\u30e1\u30fc\u30eb\u306e\u5185\u5bb9\u3068\u76ee\u7684\u306f\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li>\u65e2\u5b58\u306e\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u30eb\u30fc\u30eb\u3001\u5b89\u5168\u306a\u9001\u4fe1\u8005\u30a8\u30f3\u30c8\u30ea\u3001\u524d\u306e\u9001\u4fe1\u8005\u30a2\u30c9\u30ec\u30b9\u3092\u53c2\u7167\u3059\u308b\u8a31\u53ef\u30ea\u30b9\u30c8\u306f\u66f4\u65b0\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/li>\n<li>\u3053\u306e\u5909\u66f4\u306f\u81ea\u52d5\u7684\u306b\u6709\u52b9\u5316\u3055\u308c\u3001\u30c6\u30ca\u30f3\u30c8\u8a2d\u5b9a\u306e\u52b9\u679c\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>[\u5fc5\u8981\u306a\u884c\u52d5\/\u63a8\u5968\u4e8b\u9805:]<\/p>\n<ul>\n<li><a href=\"mailto:\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u30eb\u30fc\u30eb\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u3001\u30bb\u30fc\u30d5\u30bb\u30f3\u30c0\u30fc\u8a2d\u5b9a\u3001m365copilotupdates@microsoft.com\">\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u30eb\u30fc\u30eb\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30eb\u30fc\u30eb\u3001\u30bb\u30fc\u30d5\u30bb\u30f3\u30c0\u30fc\u8a2d\u5b9a\u3001m365copilotupdates@microsoft.com<\/a> \u3092\u53c2\u7167\u3059\u308b\u8a31\u53ef\/\u30d6\u30ed\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u305d\u306e\u8a2d\u5b9a\u3092\u66f4\u65b0\u3057\u3066 <a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a> \u3092\u4f7f\u3048\u3002<\/li>\n<li>\u7d44\u7e54\u306e\u5b89\u5168\u306a\u9001\u4fe1\u8005\u30ea\u30b9\u30c8\u307e\u305f\u306f\u8a31\u53ef\u30ea\u30b9\u30c8\u306b <a href=\"mailto:microsoftcopilotupdates@microsoft.com\">microsoftcopilotupdates@microsoft.com<\/a> \u3092\u8ffd\u52a0\u3057\u3001\u78ba\u5b9f\u306b\u914d\u9054\u3092\u52a9\u3051\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u524d\u306e\u9001\u4fe1\u8005\u4f4f\u6240\u3092\u53c2\u7167\u3057\u305f\u5185\u90e8\u6587\u66f8\u3084\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3084\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1\u306e\u554f\u984c\u3067\u30e6\u30fc\u30b6\u30fc\u3092\u652f\u63f4\u3059\u308b\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306b\u3053\u306e\u5909\u66f4\u3092\u4f1d\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/defender-office-365\/tenant-allow-block-list-email-spoof-configure#create-allow-entries-for-domains-and-email-addresses\" rel=\"noopener noreferrer\" target=\"_blank\">Office 365 \u306eMicrosoft Defender in Configure allow entries<\/a><\/li>\n<li><a href=\"https:\/\/support.microsoft.com\/office\/send-recommended-office-365-and-microsoft-365-training-81df76b4-1fca-430d-918e-b7fe03c3c056\" rel=\"noopener noreferrer\" target=\"_blank\">\u30e6\u30fc\u30b6\u30fc\u306bMicrosoft Copilot\u306e\u6559\u80b2\u7528\u30e1\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u53d7\u3051\u53d6\u3089\u305b\u308b<\/a><\/li>\n<\/ul>\n<p>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805:]<\/p>\n<p>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u61f8\u5ff5\u4e8b\u9805\u306f\u7279\u5b9a\u3055\u308c\u305a\u3001\u7d44\u7e54\u306b\u5fdc\u3058\u3066\u30ec\u30d3\u30e5\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1469962 | Change in sender email address for Copilot emails Classification stayInformed Last Updated 09\/09\/2 [&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-18444","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18444","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=18444"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18444\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}