Microsoft Outlook outage stretches into night as San Francisco city workers turn to phones
Microsoft Outlook experienced a widespread outage Thursday, disrupting email and other Microsoft 365 services. San Francisco government offices were among users reporting problems.
TL;DR
- A widespread Microsoft outage on Thursday impacted Outlook, Teams, Copilot, and other Microsoft 365 services.
- The outage caused problems for over 130,000 users, with thousands still reporting issues with Outlook hours later.
- San Francisco government offices were affected, with employees resorting to phone calls and other methods for communication.
- Microsoft identified an overwhelmed process for establishing secure connections as the root cause of the outage.
- The company worked to restore services by restarting servers, redistributing traffic, and pausing deployments.