Microsoft is investigating a widespread outage affecting multiple Microsoft 365 services, including Outlook, Microsoft Teams, and Copilot, as users report connectivity problems worldwide.

BleepingComputer has received numerous reports from users experiencing problems accessing Microsoft’s services, including complaints that Outlook is down.

According to Downdetector, which tracks user-submitted outage reports, complaints surged Thursday afternoon across numerous Microsoft services, including Outlook, Microsoft 365, Teams, Copilot, Azure, OneDrive, and the Microsoft Store.