Microsoft 365 outage hits thousands of users across US
A major Microsoft 365 and Outlook outage left thousands of US users facing connectivity problems and email disruptions.
Thousands of users across the United States experienced widespread technical difficulties on Thursday, November 12, 2026, as Microsoft 365 and Outlook suffered a major outage. The service disruption paralyzed various operations, including congressional offices, according to reports from Politico. Tracking platforms like Downdetector recorded a sharp spike in complaints regarding email access and application connectivity.
In addition to Microsoft products, some users turned to alternative platforms to report simultaneous problems. According to CNBC, individuals also reported issues affecting AWS and Google services during the same general timeframe. The simultaneous disruptions raised concerns about broader digital infrastructure stability.
Infrastructure Load and Multi-Region Impact
According to Fox Business, the Microsoft 365 disruption was triggered by multi-region connectivity issues amid elevated infrastructure load. The heavy demand on underlying systems created cascading access problems for enterprise and individual accounts alike.
As the incident unfolded, ABC News reported that Microsoft acknowledged active problems affecting both Teams and corporate email systems. Technical teams worked to isolate the root cause and restore full functionality to affected subscribers nationwide.