Microsoft 365 and Outlook are down to start the work week — Microsoft confirms outage
If you're just sitting down to your desk, you may not be able to use Outlook or Microsoft 365.
All the latest news, reviews, and guides for Windows and Xbox diehards.
You are now subscribed
Your newsletter sign-up was successful
Join the club
Get full access to premium articles, exclusive features and a growing list of member rewards.
Microsoft 365 and Outlook are down. Microsoft confirmed the outage today and has shared a couple of updates on the official Microsoft 365 Status account on X.
Downdetector also shows a spike in outages and issues that began around 4:50 AM ET. 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.
Article continues belowThe timing of the issues is poor, since many are starting their work at the moment and are unable to use essential services such as Teams or Outlook.
We're investigating an issue where users may be experiencing intermittent issues accessing https://t.co/ZUfyjth6sU. For more information, please visit https://t.co/uSHwRmXFJZ.April 27, 2026
We've discovered some users may experience intermittent sign‑in failures, including “too many requests” errors, or unexpected sign‑outs. We're analyzing service telemetry further to identify any potential next steps and mitigation actions. For more information, please visit…April 27, 2026
This is an ongoing news story and we will update this piece as more information becomes available. Microsoft also has a status page that is updated regularly.
Join us on Reddit at r/WindowsCentral to share your insights and discuss our latest news, reviews, and more.

Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.
Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.
You must confirm your public display name before commenting
Please logout and then login again, you will then be prompted to enter your display name.