Resolved after 3 days 6 hours, affecting Microsoft Office 365, on August 31, 2026.
Microsoft is deploying a fix across their infrastructure and we are monitoring the results. We will continue to check Microsoft's status page for updates and will post here once service is fully restored. Microsoft status: https://status.cloud.microsoft/m365
Affected components
Update timeline
- investigating Aug 31, 2026, 04:10 PM UTC
Microsoft outlook which is essential for email functionality is currently experiencing a major outage. Staff are actively working to troubleshoot and repair the issue. For further updates, please subscribe to the incident or check back at a later time. Thank you for your patience.
- monitoring Aug 31, 2026, 04:38 PM UTC
A fix has been implemented and we are monitoring the results.
- investigating Aug 31, 2026, 06:52 PM UTC
We are currently investigating this issue.
- identified Aug 31, 2026, 08:14 PM UTC
We're aware of an issue that is impacting Microsoft services including but not limited to Outlook, Teams, and/or OneDrive. We're monitoring the Microsoft's status page for updates and will post here once service is restored. Microsoft status: https://status.cloud.microsoft/m365
- monitoring Sep 01, 2026, 03:42 PM UTC
Microsoft is deploying a fix across their infrastructure and we are monitoring the results. We will continue to check Microsoft's status page for updates and will post here once service is fully restored. Microsoft status: https://status.cloud.microsoft/m365
- resolved Sep 03, 2026, 10:26 PM UTC
This incident has been resolved.
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