We're investigating a potential issue impacting Microsoft 365 services, including Teams and Outlook

Title: Users may be unable to access Microsoft 365 services
User impact: Users may be unable to access Microsoft 365 services, including Teams and Outlook.
Current status: Our investigation so far indicates impact is associated with a possible third-party networking issue. We're recursively investigating the health of the Microsoft-managed service environment to identify whether any mitigation actions are required and ensure our services are healthy.
Next update by: Wednesday, January 21, 2026, at 7:00 PM UTC

Title: We're investigating a potential issue impacting Microsoft 365 services, including Teams and Outlook
User impact: We're investigating a potential issue impacting Microsoft 365 services.
Current status: We're reviewing telemetry across dependent portions of service infrastructure to help us isolate the nature of the impact, the source of the issue, and determine what recovery actions may be required.
Next update by: Wednesday, January 21, 2026, at 6:00 PM UTC

Title: We're investigating a potential issue impacting Microsoft 365 services, including Teams and Outlook
User impact: We're investigating a potential issue impacting Microsoft 365 services.
Current status: We're investigating a potential issue with Microsoft 365 services. We'll provide an update within 30 minutes.