Microsoft M365 Updates

M365 Service Health

Live status pulled directly from the Microsoft Service Communications API — refreshes every 5 minutes

All core services operational — 11 active advisories
Operational
Advisory / Investigating
Degradation / Interruption
Service Status
Exchange Online
Degradation ›
Microsoft Entra
Degradation ›
Microsoft 365 suite
Degradation ›
SharePoint Online
Operational
Dynamics 365 Apps
Operational
Basic Mobility and Security
Operational
Planner
Operational
Sway
Operational
Microsoft Intune
Operational
Microsoft OneDrive
Operational
Microsoft Teams
Degradation ›
Microsoft Bookings
Operational
Microsoft 365 for the web
Operational
Microsoft 365 apps
Degradation ›
Power Apps in Microsoft 365
Operational
Microsoft Power Automate
Operational
Microsoft Power Automate in Microsoft 365
Operational
Microsoft Forms
Operational
Microsoft Defender XDR
Operational
Project for the web
Operational
Microsoft Stream
Operational
Universal Print
Operational
Microsoft Viva
Degradation ›
Windows Autopatch
Operational
Microsoft Dataverse
Operational
Power Platform
Operational
Microsoft Purview
Degradation ›
Microsoft Clipchamp
Operational
Microsoft 365 Copilot Chat
Degradation ›
Active Advisories & Incidents

Exchange Online — EX1441488 View full timeline ↗

Started: 17 Jul 2026 11:26 GMT+1  ·  Updated: 16 Sep 2026 18:00 GMT+1

Title: Some users may see unwanted add-ins appearing automatically across all Outlook clients User impact: Users may see unwanted add-ins appearing automatically across all Outlook clients. More info: These add-ins are configured to be available to users by admins but aren’t expected to be automatically installed. To bypass this issue, admins can run the “Set-App -Identity -OrganizationApp -PrivateCatalog -DefaultStateForUser Disabled” command to remove add-ins that are unintentionally appearing. Current status: Our fix deployment is approximately 65 percent complete, and we've validated it remains on track to complete by Monday, September 21, 2026. Scope of impact: Impact may occur for some users that may see unwanted add-ins appearing automatically across all Outlook …

Microsoft Entra — MO1457843 View full timeline ↗

Started: 19 Aug 2026 23:38 GMT+1  ·  Updated: 16 Sep 2026 23:07 GMT+1

Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We're progressing with our additional levels of validations so we can ensure that our solution returns admins ability to determine who delete…

Microsoft 365 suite — MO1457843 View full timeline ↗

Started: 19 Aug 2026 23:38 GMT+1  ·  Updated: 16 Sep 2026 23:07 GMT+1

Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We're progressing with our additional levels of validations so we can ensure that our solution returns admins ability to determine who delete…

Microsoft Teams — MO1457843 View full timeline ↗

Started: 19 Aug 2026 23:38 GMT+1  ·  Updated: 16 Sep 2026 23:07 GMT+1

Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We're progressing with our additional levels of validations so we can ensure that our solution returns admins ability to determine who delete…

Microsoft 365 apps — OP1470668 View full timeline ↗

Started: 11 Sep 2026 13:36 GMT+1  ·  Updated: 17 Sep 2026 20:40 GMT+1

Title: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel User impact: Users may be unable to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel. More info: This issue may specifically impact some users utilizing Microsoft Excel 2024, 2021, 2019, and 2016. Current status: Our fix has completed for Microsoft Excel 2021 and 2024. We're still in the process of validating both a temporary workaround and permanent fix for the 2016, 2019, and Office Online Server (OOS) versions of Excel. We'll provide the documentation on the workaround and timeline for the long-term fix as soon as they become available. Scope of impact: Some users attempting to copy, paste, drag, or duplicate cells and worksheets in Microsoft Excel may…

Microsoft Viva — MO1457843 View full timeline ↗

Started: 19 Aug 2026 23:38 GMT+1  ·  Updated: 16 Sep 2026 23:07 GMT+1

Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We're progressing with our additional levels of validations so we can ensure that our solution returns admins ability to determine who delete…

Microsoft Purview — MP1471821 View full timeline ↗

Started: 14 Sep 2026 17:41 GMT+1  ·  Updated: 14 Sep 2026 18:21 GMT+1

Title: Some admins may receive failures creating or updating Communications Compliance policies in Microsoft Purview User impact: Admins may receive failures creating or updating Communications Compliance policies in Microsoft Purview. More info: Impact is limited to Communications Compliance policies with more than four classifiers. We advise admins to keep classifiers to a maximum of four during this time and we anticipate the limit to be remediated by Monday, October 5, 2026. Current status: We've received reports from a subset of affected admins who have reported receiving size limitation failures when creating or updating Communications Compliance policies in Microsoft Purview. We've isolated that a recent update introduced operations with larger data size included a code is…

Microsoft Purview — MP1473907 View full timeline ↗

Started: 14 Sep 2026 07:00 GMT+1  ·  Updated: 19 Sep 2026 05:30 GMT+1

Title: Some users may experience delays accessing audit logs through the Microsoft Purview Management API User impact: Users may experience delays accessing audit logs through the Microsoft Purview Management API. More info: This issue is specifically impacting Microsoft Purview users utilizing the Management Activity API and Search features to retrieve audit logs. Current status: Our aforementioned configuration change is continuing to help reduce the impact as expected and we anticipate our change will fully resolve this issue by Sunday, September 20, 2026. Scope of impact: This issue may potentially impact a subset of Microsoft Purview users in the North America region utilizing the audit log feature of Microsoft Purview. This information may be updated as our investigation…

Microsoft 365 Copilot Chat — CW1470765 View full timeline ↗

Started: 22 Jul 2026 23:07 GMT+1  ·  Updated: 18 Sep 2026 02:31 GMT+1

Title: Some users' Exchange Online email messages may not be retrieved when prompting Microsoft 365 Copilot Chat User impact: Users' Exchange Online email messages may not be retrieved when prompting Copilot Chat. More info: Some Exchange Online email messages between July 22, 2026, and today may not be retrieved by Copilot Chat when prompted. While we index the affected email messages to our semantic index model, users can prompt Copilot Chat using exact wording to retrieve the email messages. Current status: The aforementioned deployment has saturated over 50% of the affected infrastructure and we've confirmed that some users are beginning to see remediation as the fix continues to propagate. Additionally, we expect that the remainder of the affected users will have received the fix d…