Microsoft investigates Outlook and Teams outages affecting 100,000 users

Microsoft is investigating connectivity issues affecting its Outlook and Teams applications on Thursday evening, with over 100,000 users reporting problems. The disruptions began at 8 p.m. Finnish time, hindering email sending, receiving, and login functions. Users have also reported issues with the Teams collaboration platform and the Copilot AI application. Downdetector shows nearly 130,000 outage reports for Outlook, while Microsoft attributes the problems to unexpected server failures causing infrastructure overload, not increased traffic. Microsoft has restarted the affected servers and is redistributing traffic to balance the load. The company stated it is actively working to resolve the situation.