Home / Technology / Microsoft Services Crawl Back Online After Major Outage
Microsoft Services Crawl Back Online After Major Outage
13 Nov
Summary
- Microsoft 365 experienced a major outage impacting millions of users globally.
- The disruption lasted over 12 hours, affecting Outlook, Hotmail, and other services.
- AI tools like Claude also faced issues due to the widespread Microsoft 365 problems.
Microsoft has begun restoring services after a major outage on November 12-13, 2026, disrupted Outlook, Hotmail, and Microsoft 365 for millions globally. The disruption, centered on Exchange Online infrastructure, lasted over 12 hours and affected users in 74 countries, impacting businesses and government departments.
Microsoft reported early signs of recovery on November 13, 2026, after applying a patch to an authentication and routing component. However, service capacity remained below normal, and some users continued to experience intermittent problems with email and login access. The company has extended its email timeout window to 48 hours to safeguard delayed messages.
The outage also impacted AI services, with Claude experiencing disruptions to its Microsoft 365 connector and separate login issues. Microsoft stated there is no indication of a cyberattack, attributing the problems to servers becoming unexpectedly unavailable during health checks.
Microsoft has not provided a confirmed timeline for full restoration, opting instead to restore affected servers in stages. Users are advised to monitor official service health pages for updates on the ongoing recovery process.
