M365 Service Status (10 degradations at 2025-10-29 21:56)
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Some users may experience intermittent crashes when launching the Microsoft Teams desktop app on Windows
Last Update: 2025-10-29 09:52(JST)
Next Update By: 2025-10-30 12:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Users added as members to a Microsoft 365 group in Outlook on the web are given “Owner” permissions
Last Update: 2025-10-29 05:37(JST)
Next Update By: 2025-10-29 06:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
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Some users may not receive the toast notification when another user answers a call from a Microsoft Teams call queue
Start Time: 2025-10-17 03:14(JST)
Last Update: 2025-10-29 05:08(JST)
Next Update By: 2025-10-29 06:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Android users may experience app launch failures or delays for native app bundles in the Microsoft Teams mobile app
Last Update: 2025-10-28 04:09(JST)
Next Update By: 2025-10-28 04:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
This specifically affects users who recently updated their Microsoft
Teams mobile app to the latest version of 1416/1.0.0.2025193702.
Users can work around this issue by relaunching the app bundles multiple times,
as the specific app should successfully launch within a few attempts once the
associated app bundles are also upgraded to this latest version of Microsoft
Teams. Users may also be able to avoid this launch failure by signing out and in
of the Teams mobile app again, which should clear the associated cache of these
app bundles.
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Users in Japan may experience issues with various Microsoft 365 services
Last Update: 2025-10-27 09:25(JST)
Next Update By: 2025-10-27 10:30(JST)
Status: Service Degradation
Affected Service: Microsoft 365 suite, Microsoft Teams, Microsoft Copilot (Microsoft 365)
Users may experience issues with the following Microsoft 365
services:
– Microsoft Teams
– Microsoft Outlook
– Microsoft 365 Copilot
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Some users may be unable to open Microsoft Teams
Last Update: 2025-10-24 09:08(JST)
Next Update By: 2025-10-24 11:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
Users who have characters in their user profile path that cannot be
expressed in the Application and Network Seamlessly Integrated (ANSI) code page
may be unable to open Microsoft Teams.
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Some users may see a meeting window after leaving in the Microsoft Teams iOS application
Last Update: 2025-10-23 08:54(JST)
Next Update By: 2025-10-24 05:30(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Users can’t aggregate news posts when utilizing a News web part on SharePoint Online pages
Start Time: 2025-10-17 07:29(JST)
Last Update: 2025-10-22 06:40(JST)
Status: Service Degradation
Affected Service: SharePoint Online
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Some users with edit and full control permissions may be unable to access or share some folders in SharePoint Online
Last Update: 2025-10-22 05:50(JST)
Next Update By: 2025-10-22 07:30(JST)
Status: Service Degradation
Affected Service: SharePoint Online
Specifically, this issue impacts files and folders that were deleted
and recently restored from the recycle bin. Impacted users attempting to access
or share some folders experience failures in sharing and permission operations
in SharePoint Online.
Site administrators will still have complete access to the content that’s been
deleted and restored.
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Some users with edit and full control permissions may be unable to access or share some files in Microsoft OneDrive
Last Update: 2025-10-22 05:48(JST)
Next Update By: 2025-10-22 07:30(JST)
Status: Service Degradation
Affected Service: Microsoft OneDrive
Specifically, this issue impacts files and folders that were deleted
and recently restored. Impacted users attempting to access or share some folders
experience failures in sharing and permission operations in OneDrive.
Site administrators will still have complete access to the content that’s been
deleted and restored.
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Microsoft Copilot Studio – Users are intermittently receiving an error when interacting with agents with AI capabilities
Last Update: 2025-10-29 09:51(JST)
Status: Service Restored
Affected Service: Power Platform
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Users may be unable to access some Exchange Online archive mailboxes
Start Time: 2025-06-23 10:00(JST)
Last Update: 2025-10-28 07:35(JST)
Status: Service Restored
Affected Service: Exchange Online
This issue occurred when routine mailbox database maintenance for
archive mailboxes relocated the archive to a different portion of Active
Directory infrastructure from the primary mailbox. Impact may have persisted
both during the maintenance move and after the move. The problem impacted
archive mailbox access through any Exchange Online connection method.
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Some users may receive timeouts when attempting to use or access Microsoft Copilot (Microsoft 365)
Start Time: 2025-10-27 08:44(JST)
Last Update: 2025-10-28 07:21(JST)
Status: Service Restored
Affected Service: Microsoft Copilot (Microsoft 365)
Impact occurred for the Copilot app and for Copilot features within
Outlook.
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Users may be unexpectedly signed out from Outlook on the web when accessing shared mailboxes
Start Time: 2025-10-14 06:18(JST)
Last Update: 2025-10-28 04:46(JST)
Status: Service Restored
Affected Service: Exchange Online
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Some users may have been unable hear text-to-speech during auto-attendant calls in Microsoft Teams
Start Time: 2025-10-25 01:15(JST)
Last Update: 2025-10-27 10:46(JST)
Status: Service Restored
Affected Service: Microsoft Teams
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Some users encounter intermittent failures when making one-to-one PSTN calls in Microsoft Teams on the web
Last Update: 2025-10-23 05:12(JST)
Status: False Positive
Affected Service: Microsoft Teams
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Some users may be unable to access their Exchange Online email using Outlook for Mac
Start Time: 2025-10-21 01:00(JST)
Last Update: 2025-10-22 08:17(JST)
Status: Service Restored
Affected Service: Exchange Online
Some users’ Mac devices may have been quarantined, which prohibited
impacted users from accessing their email in Outlook for Mac.
Impact is specific to the latest build, 16.102.1018.1.
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Users can’t aggregate news posts when utilizing a News web part on SharePoint Online pages
Start Time: 2025-10-17 07:29(JST)
Last Update: 2025-10-22 06:40(JST)
Status: Service Restored
Affected Service: SharePoint Online
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Users’ SharePoint Online Events web part isn’t displaying events when users select “See all”
Start Time: 2025-10-16 03:25(JST)
Last Update: 2025-10-22 02:58(JST)
Status: Service Restored
Affected Service: SharePoint Online
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Users may intermittently see blank Microsoft Word documents opening unexpectedly
Start Time: 2025-09-09 09:00(JST)
Last Update: 2025-10-21 06:45(JST)
Status: Service Restored
Affected Service: Microsoft 365 apps
Specifically, after users closed the Microsoft Word app, the app may
have opened on its own and populated a new blank Microsoft Word document. This
issue only impacted Microsoft Word version 2508, build 19127.20302.
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Some users may have the new Outlook client open in their web browser instead of the Desktop client
Start Time: 2025-10-14 12:00(JST)
Last Update: 2025-10-21 05:28(JST)
Status: Service Restored
Affected Service: Exchange Online
As a workaround, users were able to use the classic Outlook to access
their Exchange Online mailbox.
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Users may have been unable to receive Amazon push (ADM) notifications in Microsoft Teams
Start Time: 2025-10-20 04:40(JST)
Last Update: 2025-10-20 07:41(JST)
Status: Service Restored
Affected Service: Microsoft Teams
