Microsoft 365 and Outlook are having an outage. Microsoft confirmed the outage today and has shared a couple of updates on the official Microsoft 365 Status account on X as well as on its status page.
Downdetector also shows a spike in outages and issues. Outlook, Microsoft 365, and other Microsoft web experiences all seem to be affected.
It’s not clear at this time how widespread the outages are or how many people are experiencing issues.
(Update) – Microsoft has identified issues and is working on the problem.
Upon reviewing service telemetry further, we've identified an unexpected increase in error rates affecting two separate error scenarios. We suspect this may be contributing to creating impact, and we're conducting additional analysis to confirm this. For more information, please…
— Microsoft 365 Status (@MSFT365Status) April 27, 2026