Resolved: Microsoft 365 Service Issues

Announcement Date
Thursday, September 3, 2026 - 2:47

All Microsoft services have been restored.

If you continue to experience issues, please contact ithelp@design.upenn.edu for assistance.


Thursday, September 3, 2026 10:41 AM

Microsoft reports that the broader Microsoft 365 service issues have largely recovered.

Current impact is now primarily limited to Outlook on the web. Some users may still experience:

  • Difficulty signing in to Outlook on the web
  • Problems downloading email attachments
  • Intermittent errors or delays when sending email

Previously reported issues affecting Teams, OneDrive, SharePoint, Outlook mobile, and other Microsoft 365 services are reported as recovered.

Weitzman IT will continue to monitor the situation and provide additional updates if needed.


Wednesday, September 2, 2026 12:55 PM

Microsoft is currently experiencing intermittent service issues affecting multiple Microsoft 365 services, including Outlook, OneDrive, SharePoint, and other Microsoft 365 applications.

Weitzman IT has received reports from users experiencing issues consistent with this incident, particularly with Outlook and email. Reported symptoms may include:

  • Errors or failures when sending email
  • Intermittent problems loading Drafts, Sent Items, or other mailbox content
  • Problems downloading email attachments
  • Delays or failures opening or syncing files in OneDrive or SharePoint
  • Intermittent authentication or connectivity issues

Microsoft has identified the issue and is continuing remediation and recovery validation. Microsoft reports that most services have recovered, though some users may continue to experience intermittent issues.

If you encounter unexpected issues with Microsoft 365 services today, they may be related to this incident rather than your device or account.

Weitzman IT will continue to monitor the situation and provide updates as needed.

Please contact ithelp@design.upenn.edu with any questions.