Microsoft 365 outage hits Outlook, Teams and Copilot worldwide
A global Microsoft 365 outage that began on Thursday, 12 November 2026, cut many business and consumer users off from Outlook email, Teams, SharePoint, OneDrive and Copilot. Microsoft says a large number of servers unexpectedly failed health checks and went offline, overloading the rest; recovery was still partial early on 13 November.
Kabeer Ahmad9 min read