{"id":16297,"date":"2026-05-06T08:01:20","date_gmt":"2026-05-05T23:01:20","guid":{"rendered":"https:\/\/m365jp.net\/?p=16297"},"modified":"2026-05-06T08:04:24","modified_gmt":"2026-05-05T23:04:24","slug":"mc1301802-change-optics-report-for-exchange-online-begins-public-preview","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-06-mc1301802-change-optics-report-for-exchange-online-begins-public-preview","title":{"rendered":"MC1301802 | Change Optics report for Exchange Online begins public preview"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1301802 | Change Optics report for Exchange Online begins public preview<\/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>05\/05\/2026 22:04:51<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/05\/2026 22:04:40<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>08\/31\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[Introduction]<\/b><\/p>\n<p>We\u2019re announcing the <b>public preview<\/b> of the <b>Change Optics report for Exchange Online<\/b>, which is now available for all customers. This report helps Exchange administrators proactively identify email traffic that may be affected by upcoming service   changes, enabling investigation and remediation ahead of enforcement.<\/p>\n<p><b>[When this will happen]<\/b><\/p>\n<ul>\n<li><b>Public preview: <\/b>The report is now rolled out for all customers. We plan to conduct the public preview for at least one month.&nbsp;<\/li>\n<li><b>General availability (Worldwide): <\/b>Depending on feedback from the public preview, we may announce GA as  <b>early as June 2026<\/b>.<\/li>\n<\/ul>\n<p><b>[How this affects your organization]<\/b><\/p>\n<p><i>Who is affected<\/i><\/p>\n<p style=\"margin-left: 25px\">Exchange Online administrators<\/p>\n<p><i>What will happen<\/i><\/p>\n<ul>\n<li>A new <b>Change Optics report <\/b>will appear in <i>Exchange Online reporting<\/i> during public preview.<\/li>\n<li>The report provides<b>&nbsp;visibility<\/b> into a sample set of messages that match characteristics expected to be impacted by<b> future Exchange Online transport changes<\/b>.<\/li>\n<li>At launch, the report includes the following scenarios:\n<ul>\n<li><b>OMC (onmicrosoft.com external traffic)<\/b>: Identifies <b>onmicrosoft.com traffic<\/b> being sent externally so organizations can address this usage to avoid throttling.<\/li>\n<li><b>DRS (Direct Send traffic)<\/b>: Identifies <b>Direct Send traffic <\/b>being received by the tenant to help organizations prepare to enable the  <b>Reject Direct Send<\/b> setting.<\/li>\n<\/ul>\n<\/li>\n<li>The report <b>does not modify mail flow<\/b>, enforcement behavior, or tenant configuration.<\/li>\n<li>The report is <b>enabled by default<\/b> for Exchange Online tenants.<\/li>\n<li>There is <b>no impact to users<\/b>.<\/li>\n<\/ul>\n<p><b>[What you need to do to prepare]<\/b><\/p>\n<p>No action is required to prepare.<\/p>\n<p>However, Exchange administrators may want to:<\/p>\n<ul>\n<li>Review the <b>Change Optics report<\/b> once it becomes available during public preview.<\/li>\n<li>Use the report findings to:<\/li>\n<ul>\n<li>Identify and reduce reliance on <b>onmicrosoft.com external email usage<\/b>.<\/li>\n<li>Assess <b>Direct Send traffic <\/b>and plan for enabling <b>Reject Direct Send<\/b> if appropriate.<\/li>\n<\/ul>\n<li>Update internal documentation or operational guidance related to mail flow best practices.<\/li>\n<\/ul>\n<p><b>Learn more: <\/b><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/exchange\/change-optics-report-released-into-public-preview-to-showcase-messages-impacted-\/4513047\" target=\"_blank\">Change Optics Report released into Public Preview to showcase messages   impacted by future changes | Exchange Team Blog<\/a><\/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 admins can monitor, report on, or demonstrate compliance activities?<\/td>\n<td><b>Yes.<\/b> The Change Optics report introduces new<b> read-only administrative reporting<\/b> that provides visibility into message patterns related to future transport enforcement scenarios. No enforcement or policy changes occur.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><\/b><\/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>Exchange <b>Online\u5411\u3051\u306eChange Optics\u30ec\u30dd\u30fc\u30c8<\/b>\u306e<b>\u30d1\u30d6\u30ea\u30c3\u30af\u30d7\u30ec\u30d3\u30e5\u30fc<\/b>\u3092\u767a\u8868\u3057\u307e\u3059\u3002\u73fe\u5728\u3001\u3059\u3079\u3066\u306e\u9867\u5ba2\u5411\u3051\u306b\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306f\u3001Exchange\u7ba1\u7406\u8005\u304c\u4eca\u5f8c\u306e\u30b5\u30fc\u30d3\u30b9\u5909\u66f4\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30e1\u30fc\u30eb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7a4d\u6975\u7684\u306b\u7279\u5b9a\u3057\u3001\u57f7\u884c\u306b\u5148\u7acb\u3064\u8abf\u67fb\u3084\u662f\u6b63\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><b>[\u3044\u3064\u8d77\u3053\u308b\u304b]<\/b><\/p>\n<ul>\n<li><b>\u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc: <\/b>\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306f\u73fe\u5728\u3001\u3059\u3079\u3066\u306e\u9867\u5ba2\u306b\u914d\u5e03\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5c11\u306a\u304f\u3068\u30821\u304b\u6708\u9593\u306f\u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3046\u4e88\u5b9a\u3067\u3059\u3002&nbsp;<\/li>\n<li><b>\u4e00\u822c\u63d0\u4f9b(\u4e16\u754c\u4e2d): <\/b>\u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u3088\u308a\u307e\u3059\u304c\u3001 <b>2026\u5e746\u6708\u306b\u306f<\/b>GA\u306e\u767a\u8868\u304c\u884c\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><b>[\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u4e0e\u3048\u308b\u5f71\u97ff]<\/b><\/p>\n<p><i>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269<\/i><\/p>\n<p style=\"margin-left: 25px\">Exchange Online\u7ba1\u7406\u8005<\/p>\n<p><i>\u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/i><\/p>\n<ul>\n<li>\u65b0\u3057\u3044 <b>Change Optics\u30ec\u30dd\u30fc\u30c8 <\/b>\u306f\u3001\u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc\u671f\u9593\u4e2d\u306b <i>Exchange Online\u30ec\u30dd\u30fc\u30c8<\/i> \u306b\u63b2\u8f09\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306f<b>\u3001\u5c06\u6765\u306eExchange Online\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5909\u66f4<\/b>\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u7279\u5fb4\u306b\u5408\u81f4\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u30bb\u30c3\u30c8\u306e<b>\u53ef\u8996\u5316\u3092\u63d0\u4f9b\u3057\u307e\u3059&nbsp;<\/b>\u3002<\/li>\n<li>\u767a\u8868\u6642\u70b9\u3067\u3001\u5831\u544a\u66f8\u306b\u306f\u4ee5\u4e0b\u306e\u30b7\u30ca\u30ea\u30aa\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\n<ul>\n<li><b>OMC(onmicrosoft.com \u5916\u90e8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af):<\/b>\u5916\u90e8\u306b\u9001\u4fe1\u3055\u308c\u308b <b>onmicrosoft.com<\/b> \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7279\u5b9a\u3057\u3001\u7d44\u7e54\u304c\u3053\u306e\u5229\u7528\u306b\u5bfe\u51e6\u3067\u304d\u308b\u3088\u3046\u3001\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/li>\n<li><b>DRS(\u30c0\u30a4\u30ec\u30af\u30c8\u9001\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af):<\/b>\u30c6\u30ca\u30f3\u30c8\u304c\u53d7\u4fe1\u3057\u3066\u3044\u308b <b>\u30c0\u30a4\u30ec\u30af\u30c8\u9001\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af <\/b>\u3092\u7279\u5b9a\u3057\u3001\u7d44\u7e54\u304c\u62d2\u5426 <b>\u30c0\u30a4\u30ec\u30af\u30c8\u9001\u4fe1<\/b> \u8a2d\u5b9a\u3092\u6709\u52b9\u306b\u3059\u308b\u6e96\u5099\u3092\u652f\u63f4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u30ec\u30dd\u30fc\u30c8\u306f\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u3001\u5f37\u5236\u52d5\u4f5c\u3001\u30c6\u30ca\u30f3\u30c8\u8a2d\u5b9a <b>\u3092\u5909\u66f4\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/b>\u3002<\/li>\n<li>\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306fExchange Online\u306e\u30c6\u30ca\u30f3\u30c8\u306b\u5bfe\u3057\u3066 <b>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316<\/b> \u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><b>\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u5f71\u97ff\u304c\u3042\u308a\u307e\u305b\u3093<\/b>\u3002<\/li>\n<\/ul>\n<p><b>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3084\u308b\u3079\u304d\u3053\u3068\u3011<\/b><\/p>\n<p>\u6e96\u5099\u306b\u7279\u5225\u306a\u884c\u52d5\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001Exchange\u7ba1\u7406\u8005\u306f\u4ee5\u4e0b\u306e\u3053\u3068\u3092\u671b\u3080\u304b\u3082\u3057\u308c\u307e\u305b\u3093:<\/p>\n<ul>\n<li>\u30d1\u30d6\u30ea\u30c3\u30af\u30d7\u30ec\u30d3\u30e5\u30fc\u4e2d\u306bChange <b>Optics\u30ec\u30dd\u30fc\u30c8<\/b> \u304c\u516c\u958b\u3055\u308c\u305f\u969b\u306b\u306f\u3001\u30ec\u30d3\u30e5\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u5831\u544a\u66f8\u306e\u8abf\u67fb\u7d50\u679c\u3092\u6d3b\u7528\u3057\u3066\u4ee5\u4e0b\u3092\u884c\u3044\u307e\u3059:<\/li>\n<ul>\n<li><b>\u5916\u90e8\u30e1\u30fc\u30eb\u5229\u7528 onmicrosoft.com<\/b> \u7279\u5b9a\u3057\u3001\u4f9d\u5b58\u3092\u6e1b\u3089\u3059\u3053\u3068\u3002<\/li>\n<li><b>\u30c0\u30a4\u30ec\u30af\u30c8\u9001\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/b>\u3092\u8a55\u4fa1\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066<b>\u62d2\u5426\u30c0\u30a4\u30ec\u30af\u30c8\u9001\u4fe1<\/b>\u3092\u6709\u52b9\u306b\u3059\u308b\u8a08\u753b\u3092\u7acb\u3066\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ul>\n<li>\u30e1\u30fc\u30eb\u30d5\u30ed\u30fc\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u95a2\u3059\u308b\u5185\u90e8\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u904b\u7528\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p><b>\u8a73\u7d30\u306f\u3053\u3061\u3089: <\/b><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/exchange\/change-optics-report-released-into-public-preview-to-showcase-messages-impacted-\/4513047\" target=\"_blank\">Change Optics Report \u516c\u958b\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u3001\u4eca\u5f8c\u306e\u5909\u66f4\u306b\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7d39\u4ecb |\u30a8\u30af\u30b9\u30c1\u30a7\u30f3\u30b8\u30c1\u30fc\u30e0\u30d6\u30ed\u30b0<\/a><\/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\u7ba1\u7406\u8005\u304c\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u6d3b\u52d5\u3092\u76e3\u8996\u3001\u5831\u544a\u3001\u307e\u305f\u306f\u793a\u3059\u65b9\u6cd5\u306b\u5909\u5316\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u304b?<\/td>\n<td><b>\u306f\u3044\u3002<\/b> Change Optics\u30ec\u30dd\u30fc\u30c8\u306f\u3001\u5c06\u6765\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5f37\u5236\u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u9023\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30d1\u30bf\u30fc\u30f3\u3092\u53ef\u8996\u5316\u3059\u308b\u65b0\u3057\u3044<b> \u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u7ba1\u7406\u30ec\u30dd\u30fc\u30c8\u3092<\/b> \u5c0e\u5165\u3057\u307e\u3059\u3002\u57f7\u884c\u3084\u65b9\u91dd\u306e\u5909\u66f4\u306f\u4e00\u5207\u884c\u308f\u308c\u307e\u305b\u3093\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1301802 | Change Optics report for Exchange Online begins public preview Classification stayInformed Last Up [&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-16297","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16297","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=16297"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16297\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}