6 hours ago
Microsoft 365 outage hits Outlook email and Teams calendars worldwide

What's happening
SignalsMonitor is following this as a markets story. New York Times Business and Cointelegraph are the outlets attached to this story. The first report grouped here was at 13 Nov 2026, 08:26 UTC. 4 material updates are listed in the timeline. The headline in use is “Microsoft 365 outage hits Outlook email and Teams calendars worldwide”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Microsoft began a wider patch rollout Friday as the outage disrupted government email and Microsoft 365 connectors in ChatGPT and Claude.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- severity changed
The assessed event severity changed.
- First reported by Cointelegraph
Microsoft 365 outage hits Outlook email and Teams calendars worldwide
- Picked up by New York Times Business
Outlook, Teams and More Microsoft Programs Disrupted by Outage
- New development reported by New York Times Business
Microsoft Races to Fix Outage Disrupting Outlook for a Second Day
Same story, different outlets
2 headlinesEach line is that outlet's headline. The article stays on the publisher's site.