Why Are Outlook, Teams and Other Microsoft 365 Services Down

Microsoft is battling a widespread service outage that disrupted Outlook, Teams, SharePoint and other Microsoft 365 products across multiple regions on Thursday and Friday. The disruption affected businesses, government agencies and millions of users, with connectivity problems continuing into Friday morning.

According to Microsoft, the outage was caused by increased infrastructure traffic and server failures. The company said it had found no evidence of malicious activity. Engineering teams were restoring affected systems in phases, although full service capacity had not been recovered.

The disruption affected several businesses. Swiss luxury group Richemont delayed its earnings announcement, while Workhorse Group postponed its quarterly results.

Air India temporarily rerouted customer emails but confirmed that flight operations remained unaffected. Microsoft reported incremental improvements as engineers worked to restore services.

Related Tweet:

BREAKING: Hundreds of thousands of users around the world are still affected by the global outage at Microsoft, affecting its Outlook, Teams, Copilot and 365 services. Follow the latest updates 🔗 https://t.co/zaEXG2DJda 📺 Sky 501, Virgin 602, Freeview 233 and YouTube https://t.co/uHGHRW3sfo

— Sky News (@SkyNews) November 13, 2026

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