M365 Service Status (7 degradations at 2026-03-18 00:07)
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Some users’ SharePoint Online search returns may not be prioritizing high-relevancy items in the results
Start Time: 2026-01-02 09:00(JST)
Last Update: 2026-03-18 12:05(JST)
Next Update By: 2026-03-18 02:00(JST)
Status: Service Degradation
Affected Service: SharePoint Online
Although search results provide all items to users, the results don’t
appear to be utilizing relevancy tuning. Items that are highly relevant to the
searches may not be provided as top results due to this.
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Some users may be unable to access Office.com or the Microsoft 365 Copilot web sign‑in page
Last Update: 2026-03-17 11:18(JST)
Next Update By: 2026-03-18 01:00(JST)
Status: Service Degradation
Affected Service: Microsoft 365 suite, Microsoft Copilot (Microsoft 365)
The impacted web-client is office.com, and impacted Microsoft 365
Copilot web-clients are office.com/chat, m365.cloud.microsoft,
m365.cloud.microsoft/chat and copilot.cloud.microsoft.
Users can access Microsoft Copilot through application-based Microsoft Copilot
services. This includes, but is not limited to:
– Microsoft Copilot desktop app
– Copilot in Microsoft Teams
– Copilot in Office apps
User may be able to leverage https://m365.cloud.microsoft/search, and should be
able to sign in using this page. Once signed in, users can access the impacted
web-based office.com and Copilot clients.
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Some users are unable to use Microsoft Outlook Classic while the Microsoft Teams Meeting Add-in is enabled
Start Time: 2026-03-12 09:36(JST)
Last Update: 2026-03-17 05:59(JST)
Next Update By: 2025-03-19 07:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
If Teams Meeting Add-in is disabled then Outlook Classic functions as
normal.
As a workaround, users can also perform an Online Repair of Office or update
Outlook to the latest version to resolve the issue.
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Users may be unable to utilize spell check in Microsoft Teams desktop client
Last Update: 2026-03-17 02:04(JST)
Next Update By: 2026-03-17 04:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Users’ Copilot for Sales add-in may not appear on Outlook mobile and Outlook for Mac clients
Last Update: 2026-03-17 12:49(JST)
Next Update By: 2026-03-17 03:00(JST)
Status: Service Degradation
Affected Service: Microsoft Copilot (Microsoft 365)
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Users may not get email notifications for shared Power BI reports and dashboards or Microsoft Fabric artifactss
Start Time: 2026-03-11 06:08(JST)
Last Update: 2026-03-12 08:41(JST)
Next Update By: 2026-03-14 05:00(JST)
Status: Service Degradation
Affected Service: Power BI
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Some users may be unable to access the My Templates add-in in Exchange Online
Start Time: 2026-01-21 07:27(JST)
Last Update: 2026-03-11 04:27(JST)
Next Update By: 2026-03-12 05:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
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.
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Some users may have been unable to start recordings and transcriptions in Microsoft Teams town hall events
Start Time: 2026-03-12 01:57(JST)
Last Update: 2026-03-17 11:12(JST)
Status: Service Restored
Affected Service: Microsoft Teams
The recording option was disabled and marked as unavailable, even
when the event policy was enabled for town hall.
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Some users may be unable to access Office.com or the Microsoft 365 Copilot web sign‑in page
Start Time: 2026-03-16 10:05(JST)
Last Update: 2026-03-17 10:18(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
The impacted web-client was office.com, and impacted Microsoft 365
Copilot web-clients were office.com/chat, m365.cloud.microsoft,
m365.cloud.microsoft/chat and copilot.cloud.microsoft.
Users could access Microsoft Copilot through application-based Microsoft Copilot
services. This included but wasn’t limited to:
– Microsoft Copilot desktop app
– Copilot in Microsoft Teams
– Copilot in Office apps
User may have been able to leverage office.com/search, which redirects to
https://m365.cloud.microsoft/search, and should’ve been able to sign in using
this page. Once signed in, users could access the impacted web-based office.com
and Copilot clients.
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Users may be unable to edit SharePoint Online sites using the SharePoint Designer 2013 tool
Start Time: 2026-02-27 06:43(JST)
Last Update: 2026-03-17 02:49(JST)
Status: Service Restored
Affected Service: SharePoint Online
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Some users may have experienced issues when accessing their Exchange Online mailbox via one or more connection method
Start Time: 2026-03-16 06:30(JST)
Last Update: 2026-03-17 01:41(JST)
Status: Service Restored
Affected Service: Exchange Online
Users may have experienced errors or failures when attempting to
access their mailbox. Impacted connection methods included, but were not limited
to:
– Outlook on the web
– Outlook desktop
– Exchange ActiveSync
– Other Exchange Online connection protocols
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Some users may be unable to load the Microsoft 365 Copilot sign‑in page
Last Update: 2026-03-16 11:32(JST)
Status: False Positive
Affected Service: Microsoft Copilot (Microsoft 365)
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Users may be unable to create or edit Ownerless Groups policies in Exchange Online
Start Time: 2026-02-13 12:33(JST)
Last Update: 2026-03-16 04:37(JST)
Status: Service Restored
Affected Service: Exchange Online
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Some users may not see descriptions of Microsoft Teams webinars on the public registration page
Start Time: 2026-03-12 07:00(JST)
Last Update: 2026-03-14 03:51(JST)
Status: Service Restored
Affected Service: Microsoft Teams
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Some users may be unable to access app entitlement APIs or management status data in some Microsoft 365 services
Last Update: 2026-03-10 01:58(JST)
Status: False Positive
Affected Service: Microsoft 365 suite
Specifically, users may be unable to access app entitlement APIs
within Exchange Online or admins loading app access management status data in
the Microsoft Teams admin center.
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Some users may be unable to access app entitlement APIs or management status data in some Microsoft 365 services
Last Update: 2026-03-10 01:22(JST)
Status: False Positive
Affected Service: Microsoft 365 suite
Specifically, users may be unable to access app entitlement APIs
within Exchange Online or admins loading app access management status data in
the Microsoft Teams admin center.
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Users’ auto-decline meeting settings for automatic replies may not be working in Exchange Online
Start Time: 2026-02-23 05:00(JST)
Last Update: 2026-03-07 05:34(JST)
Status: Service Restored
Affected Service: Exchange Online
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Some users in the North American region may have been unable to access multiple Microsoft 365 services
Start Time: 2026-03-06 10:00(JST)
Last Update: 2026-03-07 03:18(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
Impacted services included, but were not limited to:
– Microsoft 365 admin center
– SharePoint Online
– Microsoft Teams
