Global Outage Hits Outlook and Teams as Microsoft Struggles to Fix Server Load

The Outage

A massive tech disruption hit Microsoft users worldwide on Thursday, November 13, 2026, knocking out popular tools like Outlook, Teams, and Copilot across 74 countries and territories. Over one lakh thirty thousand users flooded outage tracker Downdetector with complaints just after one in the afternoon local time. Many people could not open their inboxes, send messages, or load their workplace apps.

Microsoft's Response

Microsoft stated that its servers faced an unusually high load across multiple regions, which caused these connection errors. The company tried to apply changes to fix the issue, but later admitted on social media that the updates were not working as expected. Engineers are now looking for other ways to boost server capacity, though the tech giant has not shared a clear timeline for when services will fully return to normal.

Context

Major cloud platforms and software suites run on massive networks of shared servers that serve millions of people at the same time. When a key part of this digital infrastructure faces sudden technical strain or fails, it can instantly disrupt work and communication for businesses and schools across the globe.