Friday, November 13, 2026 Daily Briefing News Quiz
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Microsoft 365

Microsoft 365 is a cloud-based productivity suite that includes Outlook, Teams, OneDrive, and Copilot. On November 13, 2026, a widespread outage affected 74 countries, disabling Outlook, Teams, and Copilot due to a server‑side CPU spike that caused rack failures. The incident disrupted communication and productivity for millions of users worldwide.

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What to know

  • Microsoft 365 outage affected 74 countries, disabling Outlook, Teams, and Copilot. Nov 13
  • The outage began with Outlook and Teams and expanded to other cloud services. Nov 13
  • Outages affect Outlook, Teams and Copilot for users in over 70 countries. Nov 13
  • A server‑side CPU spike caused rack failures, triggering the disruption. Nov 13
  • The global Outlook outage began shortly before 1 p.m. ET on Thursday, November 12, 2026. Nov 13

Timeline

  1. Nov 13, 2026
  2. Nov 13, 2026
  3. Nov 13, 2026
  4. Nov 12, 2026
  5. Nov 12, 2026