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Wire · operational-macro

Massive Microsoft 365 outage disrupts Outlook, Teams, Copilot worldwide

Published

12 November 2026

Topic

operational-macro

◆ Sectors

Enterprise SoftwareCloud Infrastructure

◆ Source

Read at bleepingcomputer.com →

◆ Verified

Fusion42 · 12 November 2026 · Fusion42 review

A widespread Microsoft 365 outage disrupted key services including Outlook, Teams, and Copilot globally, affecting business communication and collaboration.

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

◆ ◆ The Wire takeaway

Critical cloud communication tools from Microsoft just failed worldwide. If your product depends on Microsoft 365 services, now is the time to review backup plans and customer communication strategies.

◆ Coverage

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

◆ Related on Wire

◆ Topics

Enterprise SoftwareCloud Infrastructuremicrosoft-365outagecloudcollaborationenterprise-software