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Wire · technology

What caused the Outlook outage? Microsoft issues apology after some services restored

13 November 2026 · By · Wire by Fusion42

Published

13 November 2026

Topic

technology

◆ Sectors

Enterprise Software

◆ Geography

United States

◆ Source

Read at nbcchicago.com →

◆ Verified

Fusion42 · 13 November 2026 · Fusion42 review

Microsoft experienced a global outage affecting Outlook, CoPilot, and other 365 apps due to a technical issue linked to a network capacity upgrade and change, with services gradually being restored.

This Wire brief sits within Fusion42's coverage of Enterprise Software, and 56 sources have reported it between 12 Nov 2026 and 13 Nov 2026.

◆ ◆ The Wire takeaway

You face the risk of critical cloud dependency if your startup relies on Microsoft 365 services. Prepare contingency plans and diversify integrations before your platform hits downtime.

◆ Coverage

56 sources · first reported 12 Nov 2026 · latest 13 Nov 2026

◆ Related on Wire

◆ Topics

Enterprise Softwaremicrosoftoutagenetwork-issuecloudservice-restoration