Microsoft 365 down for many, including Microsoft Teams and Skype for Business

Microosft Teams iOS and Surface (Image credit: Future)

What you need to know

Several Microsoft 365 services are down at the moment.
Skype for Business, Microsoft Teams, SharePoint Online, and several other services are affected.
The issue appears to be isolated to the Eastern United States.

Microsoft 365 services are down for some users at the moment. The outage affects Microsoft Teams, Skype for Business, SharePoint Online, and other services. According to Microsoft, the outage appears to be isolated to people in the Eastern United States.

We're investigating an issue in which some users may be unable to access Microsoft 365 services and features. Additional details about this issue can be found on https://t.co/AEUj8uAGXl or under MO198009 in the admin portal.We're investigating an issue in which some users may be unable to access Microsoft 365 services and features. Additional details about this issue can be found on https://t.co/AEUj8uAGXl or under MO198009 in the admin portal.— Microsoft 365 Status (@MSFT365Status) December 12, 2019 December 12, 2019

Microsoft shares more details on the Office status page. That page should be updated when the issue is resolved.

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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.