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Microsoft Service Outage Disrupts Global Business Operations

1 report, 1 independent Updated Fri 00:00
AI-generated briefing. Brind wrote this from the reports listed below. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.

What happened

Some supportReported by 1 outlet

A massive service outage occurred on November 13, 2026, affecting businesses, schools, and governments around the world. Microsoft apologized for the disruption, which impacted as many as 430 million users at some point. The company stated the issue was caused by a technical issue during a network capacity upgrade, not a cybersecurity breach. Problems started midday Thursday on the U.S. East Coast and quickly spread globally.

From koco.com

Why it matters

Some supportBrind's analysis of the reports

The outage disrupted critical business functions, such as invoicing and online classes in Australia. Microsoft noted that the incident could potentially cost billions in lost productivity.

From koco.com

Who's involved

  • MicrosoftProvided the affected services, including Outlook email and Teams meeting tools
  • SlackWas affected by the massive service outage

Possible ripples

Who this could reach next, traced step by step from the reporting. Possibilities worth considering, not forecasts.

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The entities involved

Related events

Coverage

Newest first; wire copies grouped