Microsoft is experiencing a major, ongoing global service outage.
The issues is affecting Microsoft 365 apps, including Outlook, Teams, Copilot, and OneDrive, in 74 countries.
More than 130 000 uses reported outage on Downdetector, with applications experniencing severe connectivity issues.
According to Microsoft, the incident is not a result of a cyber-security breach or cyberattack. It is believed to be the result of technical or configuration failure where automated health checks caused core server processes to become overwhelmed and drop out of service.
Microsoft is actively working on resolving the issue with traffic management measures and redirecting connections.