COINTELEGRAPH · 2026-11-13 08:26 UTC

Microsoft 365 outage hits Outlook email and Teams calendars worldwide

A global Microsoft 365 outage that began Thursday continued into Friday, disrupting Outlook email and some Teams features. Microsoft said a process handling secure connections became overloaded, causing affected servers to stop processing requests, and a patch had improved stability on some servers as it worked to deploy the fix more widely. Microsoft said there was no indication of a security breach and gave no timetable for full restoration.

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