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.
— Microsoft 365 Status (@MSFT365Status) December 12, 2019