Microsoft Outlook experiencing widespread outage
9to5mac.com Nov 13, 2026

Microsoft Outlook experiencing widespread outage

AI-summarised brief · reviewed before publication

Microsoft Outlook experienced a widespread outage beginning roughly an hour ago, affecting users worldwide. Over a hundred thousand outage reports were logged on Downdetector, and the service’s status page was also down. Microsoft confirmed the issue stems from a large number of servers unexpectedly becoming unavailable, shifting load onto remaining infrastructure. The company has paused deployments and configuration changes while investigating the root cause and working to restore full service.

💡 Why It Matters

  • · The outage disrupts critical business communications, underscoring the fragility of cloud‑based email infrastructure.
  • · It also pressures Microsoft to reinforce resilience and transparency in its service operations.