{"id":15328,"date":"2026-03-12T05:00:55","date_gmt":"2026-03-11T20:00:55","guid":{"rendered":"https:\/\/m365jp.net\/?p=15328"},"modified":"2026-03-12T05:01:28","modified_gmt":"2026-03-11T20:01:28","slug":"servicedegradation-ex1238375-exchange-online-some-users-may-be-unable-to-access-the-my-templates-add-in-in-exchange-online-2","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-12-servicedegradation-ex1238375-exchange-online-some-users-may-be-unable-to-access-the-my-templates-add-in-in-exchange-online-2","title":{"rendered":"[serviceDegradation] EX1238375 | Exchange Online | Some users may be unable to access the My Templates add-in in Exchange Online"},"content":{"rendered":"
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EX1238375 | Exchange Online | Some users may be unable to access the My Templates add-in in Exchange Online<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Classification<\/th>\nadvisory<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may be unable to access the My Templates add-in in Exchange Online.<\/td>\n<\/tr>\n
Last Updated<\/th>\n03\/11\/2026 19:20:11<\/td>\n<\/tr>\n
Start Time<\/th>\n01\/21\/2026 10:27:00<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users may be unable to access the My Templates add-in in Exchange Online<\/p>\n

User impact: Users may be unable to access the My Templates add-in in Exchange Online.<\/p>\n

More info: Users may be unable to access the My Templates and Viva Insights add-ins as they’re missing from the Outlook desktop client, Outlook mobile, and Outlook on the web.<\/p>\n

Current status: We’re continuing to deploy the fix to a subset of service infrastructure to test for impact remediation prior to initiating further deployment. Once available, we’ll provide a resolution timeline.<\/p>\n

Scope of impact: This incident may affect some users attempting to access the My Templates and Viva Insights add-ins through the Outlook desktop client, Outlook mobile, and Outlook on the web. This section may be updated as our investigation continues.<\/p>\n

Start time: Wednesday, January 21, 2026, at 10:27 AM UTC<\/p>\n

Root cause: A recent authentication change intended to improve the My Templates and Viva Insights add-in functionality is causing access issues.<\/p>\n

Next update by: Thursday, March 12, 2026, at 8:30 PM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306fExchange Online\u306eMy Templates\u30a2\u30c9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p>\n

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EX1238375 | Exchange Online | Some users may be unable to access the My Templates add-in in Exchange Online St […]<\/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-15328","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15328","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=15328"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15328\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}