Microsoft 365 services hit by major outage

Multiple Microsoft 365 services down

Microsoft experienced an outage affecting several platforms in its Microsoft 365 suite on November 13. Outlook and Teams were among the services impacted, with users unable to access email and other functions.

Elevated load across regions

Microsoft determined the affected infrastructure was experiencing elevated load across multiple regions, likely contributing to connectivity errors. The company was restarting and repairing impacted infrastructure portions to restore capacity.

“We're investigating an issue impacting multiple Microsoft 365 services and we've determined the affected infrastructure is experiencing elevated load across multiple regions.”

More services added to outage list

By around five pm ET, Microsoft Planner, Microsoft To Do, Microsoft Intune, Microsoft Defender for Office 365 and Microsoft Purview had been added to the list of impacted services.

Recovery underway but incomplete

Microsoft reported continued recovery progress across affected regions by nine oh nine am ET on November 13, with broader improvements in North America and sustained improvements across Europe.Some users may still experience intermittent access issues.

“Some users may still experience intermittent access issues or delayed email delivery as mitigation continues across remaining affected infrastructure.”