Microsoft acknowledged the disruption and said users might be unable to connect to multiple Microsoft 365 services. Microsoft’s global outage disrupted Outlook, Teams, Word, Excel, PowerPoint, and several Microsoft 365 services on November 12. Thousands of users continued reporting problems on Friday (November. Microsoft's global outage on November 12, 2026, disrupted Outlook, Teams and several Microsoft 365 services for approximately 10 hours. The disruption stemmed from unexpected server unavailability.