M365 Apps Intermittently Unavailable on the Web

2/18/2026 2:00 p.m.

This issue was nationwide and was affecting Microsoft's infrastructure. The problem appears to be resolved.

2/18/2026 10:15 a.m.

We've received reports that M365 apps on the web might be inaccessible intermittently for those not already logged in. You might see an error stating "Sorry, that didn't work" or a completely white screen when trying to log into Office apps on the web. Our team is currently investigating this issue and will provide updates as they become available.