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Last updated: Friday 13 November 2026, 16:07 GMT
Live updates paused for the weekend
Our live coverage of the Microsoft 365 service disruption is now paused for the weekend. Microsoft has reported significant improvements in service availability, although some intermittent issues may still occur.
We will resume updates on Monday 16 November 2026, when we will review the latest information from Microsoft and provide a further update on the status of affected services.
For the latest official information over the weekend, please visit Microsoft 365 Service Health.
Latest update
Microsoft update, 16:07 UTC
Microsoft says it remains focused on resolving the remaining issues affecting its Microsoft 365 services and ensuring reliable service restoration.
Following sustained improvements reported earlier today, engineers are continuing to assess recovery across different connection methods and closely monitor service health to ensure stability is maintained.
Although service availability has improved significantly throughout the day, Microsoft has not yet confirmed that all affected services have fully recovered. Some users may still encounter intermittent problems accessing Microsoft 365 services or delayed email delivery.
Microsoft continues to report no evidence of malicious activity associated with the incident. It will publish a full Post-Incident Report covering the root cause and additional preventative measures once the incident has been fully mitigated.
Microsoft has not provided a confirmed time for full recovery.
Earlier updates
Microsoft update, 14:56 UTC
Microsoft reported sustained improvements in the availability of its Microsoft 365 services as recovery continued across affected infrastructure.
Service functionality was continuing to improve, although some users could still experience intermittent connectivity problems or delayed email delivery.
Microsoft said its efforts were increasingly focused on resolving the remaining issues and restoring consistent service for all affected users. Engineers continued validating recovery across different connection methods and monitoring service stability.
Earlier update
Microsoft update, 14:00 UTC
Microsoft reported further improvements in service availability, with email queues significantly reduced and approaching normal levels.
Additional mitigation measures had been implemented, with engineers continuing to restore the remaining affected infrastructure and investigate outstanding service issues.
Some users could still experience intermittent access issues or delayed email delivery while recovery continued.
Earlier update
Microsoft update, 12:58 UTC
Microsoft reported continued recovery progress across affected regions, with broader improvements in North America and sustained improvements throughout much of Europe.
Encouraging recovery signals were also being observed in Asia Pacific, although intermittent access problems and delayed email delivery remained possible.
Microsoft was focused on stabilising recovered infrastructure, completing mitigation in remaining affected areas and reducing delayed email queues and backlogs.
Earlier update
Microsoft update, 12:00 UTC
Microsoft reported encouraging progress in restoring its Microsoft 365 services, with service availability and email delivery improving across a growing portion of affected infrastructure in Europe.
Japan remained comparatively more stable, while North America was also improving. Some users continued to experience intermittent issues as recovery actions progressed.
Microsoft continued working to reduce email queues and backlogs, with the extended 48-hour email timeout window remaining in place to help protect delayed messages.
Earlier update
Microsoft update, 11:04 UTC
Microsoft reported further progress towards restoring its services. Recovery actions had been completed across parts of the affected infrastructure in the Asia Pacific region, with traffic gradually being restored.
Improvements were being seen in mailbox access and delayed email processing, although intermittent issues remained. Microsoft was extending recovery work to other affected regions while adding supporting capacity and stabilising services.
Earlier update
Microsoft update, 10:01 UTC
Microsoft said recovery actions were progressing in phases across the affected infrastructure. It reported incremental improvement in several services, although service health remained variable and capacity had not yet fully returned to normal.
Network and traffic management actions remained active. To protect email during recovery, Microsoft was prioritising queue and backlog processing and had extended the email timeout window to 48 hours to help preserve delayed messages.
Earlier update
Microsoft update, 07:29 UTC
Microsoft said it was seeing positive results for server stability after applying a patch to an upstream authentication and routing configuration component on part of its infrastructure. It was monitoring progress and working to extend the patch to servers supporting regions that were coming back online.
Microsoft is experiencing a major outage affecting Exchange Online and services that depend on it, including Outlook email, Teams calendar features and Copilot. The outage began on Thursday 12 November 2026 and remains ongoing. Microsoft has reported significant improvements in service availability, with email queues substantially reduced and approaching normal levels. Engineers are now focused on resolving remaining issues and ensuring services remain stable. Some intermittent access problems and email delays may continue. This page is updated as Microsoft shares more information.
What is affected
Microsoft says the outage affects Microsoft 365 services that interact with Exchange Online and email. Features that do not depend on Exchange Online remain functional. Reported impact includes:
- Outlook email and calendars, including mailbox access and delayed email delivery
- Teams calendar, scheduling and meeting invites. Core calls, meetings, chats and standard channel messages remain functional
- Microsoft 365 Copilot, including Copilot Chat and access to work data
- Microsoft Intune, including device enrolment, device check-in and compliance policies
- Microsoft Defender for Office 365 and Defender XDR
- Microsoft Purview, including data loss prevention, sensitivity labels, audit searches and eDiscovery
- SharePoint Online external sharing and features dependent on Exchange Online. Files stored directly in SharePoint remain accessible
- Microsoft Planner and To Do
- Power Apps and Field Service mobile app sign-in
- Power BI and Microsoft Fabric operations involving sensitivity labels
- Microsoft Graph integrations that access Exchange Online data
- Microsoft 365 admin center and Microsoft 365 Apps Admin Center
- Universal Print and some Windows 365 Cloud PC configurations
Microsoft has reported improvements across North America, Europe and Asia Pacific throughout the day. Although service availability is substantially improved, Microsoft is still investigating residual issues and monitoring recovery across different connection methods. Full service recovery has not yet been confirmed.
What Microsoft has said so far
Microsoft initially reported that servers were failing automated health checks and becoming unavailable. Early recovery actions did not deliver the expected improvements, and Microsoft subsequently applied a patch to an upstream authentication and routing configuration component.
Recovery actions have since progressed across affected infrastructure in multiple regions. At 11:04 UTC, Microsoft confirmed recovery work had been completed across portions of its Asia Pacific infrastructure, with improvements in mailbox access and delayed email processing.
At 12:00 UTC, Microsoft reported encouraging recovery progress across Europe, where service availability and email delivery were improving. North America was also improving, while Japan remained comparatively more stable.
At 12:58 UTC, Microsoft confirmed broader improvements across North America, sustained recovery across much of Europe and encouraging recovery signals in Asia Pacific.
At 14:00 UTC, Microsoft reported that email queues had been significantly reduced and were approaching normal levels. Additional mitigation measures had also been implemented.
At 14:56 UTC, Microsoft confirmed sustained improvements in service availability, with efforts increasingly focused on resolving outstanding issues and ensuring consistent recovery.
Its latest update at 16:07 UTC says engineers remain focused on addressing residual impact and verifying reliable service restoration. Microsoft continues to assess recovery across different connection methods and closely monitor service health to confirm sustained stability.
Microsoft says it has no evidence of malicious activity associated with the incident. A full Post-Incident Report will follow once mitigation is complete.
Timeline
Friday 13 November, 16:07 UTC
Microsoft remains focused on addressing residual service issues and ensuring reliable restoration. Engineers continue validating recovery across different connection methods and closely monitoring service stability. Full recovery has not yet been confirmed.
Friday 13 November, 14:56 UTC
Microsoft reports sustained improvements in Microsoft 365 service availability. Engineers are focusing on resolving remaining issues and validating recovery across different connection methods. Some intermittent connectivity problems and email delays remain possible.
Friday 13 November, 14:00 UTC
Microsoft reports further improvements in service availability, with email queues significantly reduced and approaching normal levels. Additional mitigation measures have been implemented, although some intermittent access issues and delayed email delivery remain possible.
Friday 13 November, 12:58 UTC
Microsoft reports broader recovery improvements across North America, sustained improvements in Europe and encouraging progress in Asia Pacific. Some users continue to experience intermittent service access issues and delayed email delivery.
Friday 13 November, 12:00 UTC
Microsoft reports encouraging recovery progress across Europe, with improving service availability and email delivery. North America is also improving, while Japan remains comparatively more stable.
Friday 13 November, 11:04 UTC
Microsoft confirms recovery actions have been completed across parts of its Asia Pacific infrastructure. Mailbox access and delayed email processing are improving, while recovery work expands to other regions.
Friday 13 November, 10:01 UTC
Microsoft reports phased recovery progress and incremental improvements, although capacity has not fully returned to normal. It extends the email timeout window to 48 hours to help preserve delayed messages.
Friday 13 November, 07:29 UTC
Microsoft reports positive results for server stability after applying a patch to part of its infrastructure and is working to extend it.
Friday 13 November, 05:46 UTC
Microsoft says it is not aware of any malicious activity causing the incident.
Friday 13 November, 04:11 UTC
Microsoft says it has no indication the incident is the result of malicious activity.
Thursday 12 November, around 18:00 UTC
The outage begins. Users report being unable to access email or use Copilot.
bzb clients, we’ll update you as soon as we know more.
Microsoft’s official status
Latest advisory update: 16:07 UTC, Friday 13 November 2026 (admin center advisory MO1550821).
Current status: Microsoft remains focused on addressing residual impact and ensuring reliable service restoration. Engineers continue to assess recovery across different connection methods and closely monitor service health to verify sustained stability.
Earlier updates confirmed sustained improvements in service availability, with email queues significantly reduced and approaching normal levels. However, Microsoft has not yet confirmed full resolution, and some users may continue to experience intermittent access problems or delayed email delivery.
Microsoft says it has no evidence of malicious activity associated with the incident. A full Post-Incident Report covering the root cause and additional preventative measures will be published once mitigation is complete.
Services Microsoft lists as affected:
- Exchange Online: Users may be unable to access mailboxes through Outlook on the web, Outlook desktop, Exchange ActiveSync or REST connections. Email delivery may be delayed.
- Microsoft Teams: Calendar scheduling, invites, viewing and editing meetings may fail. Creating live or virtual events may fail. Some Copilot, contact syncing and private or shared channel operations are affected. Core calls, meetings, group chats and standard channel messages remain functional.
- Microsoft 365 Copilot: Users may be unable to load Copilot Chat or receive responses. Copilot experiences may have difficulty accessing email, calendar and work files.
- Microsoft Defender for Office 365: Experiences relying on Purview data loss prevention and information protection signals may experience delays or failures in policy evaluation and enforcement.
- Microsoft Defender for Cloud Apps: Some Identity, OAuth and App Governance features dependent on sensitivity labels may experience delays or failures.
- Microsoft Defender XDR: Some Defender portal pages and solution tabs may fail to load.
- Microsoft Purview: Multiple services including authorisation, auto-labelling, data loss prevention, information protection, role-based access control and data classification are affected. Audit searches, eDiscovery and access to protected content may also be impacted.
- Microsoft Intune: Device enrolment, device check-in and compliance policies may be intermittently affected.
- Microsoft Graph: API requests accessing Exchange Online data such as mail, calendars and contacts may time out. Some Teams management and notification operations using Graph API may also fail.
- SharePoint Online: Some users may experience external file sharing issues and failures in Exchange-dependent features. Direct access to files stored in SharePoint remains functional.
- Microsoft 365 admin center: Some administrative pages may fail to load.
- Microsoft 365 Apps Admin Center: Cloud Update, Cloud Policy and Inventory are among the affected services.
- Microsoft 365 apps: Recently used files may not appear.
- Microsoft Planner: Plan and task operations may experience reliability issues.
- Microsoft To Do: The app may fail to load or experience operation failures.
- Microsoft Power Apps: Users may intermittently be unable to sign in to Power Apps or Field Service mobile apps. The web versions may provide an alternative. Users already signed in may avoid further disruption by remaining signed in and not clearing app data or reinstalling during the incident.
- Microsoft Fabric: Users may encounter failures when exporting reports with sensitivity labels to PDF or PowerPoint, updating labelled artifacts or opening labelled PBIX files in Power BI Desktop. Removing a sensitivity label may provide a workaround, but only where organisational data protection policies permit it.
- Power BI: Users may intermittently be unable to export reports containing Microsoft Information Protection sensitivity labels to PDF.
- Microsoft 365 Education: Assignments, Reading Progress and Speaker Progress may be affected.
- Windows 365: Organisations using Microsoft Purview Customer Key for Windows 365 Cloud PCs may experience connection failures.
- Universal Print: Users may experience errors submitting print jobs or using administrative features.
Microsoft says features that do not depend on Exchange Online remain functional. Full service recovery has not yet been confirmed.
Source: Microsoft 365 status.
Sources
Microsoft 365 service health
The Register: Microsoft’s massive M365 outage stretches past 12 hours
