Microsoft outage disrupts Microsoft 365, Teams, Outlook, and Copilot globally
Microsoft experienced a major outage on Thursday, Nov. 12, disrupting access to Microsoft 365, Teams, Outlook, Azure, and Copilot for business and enterprise customers, with the company pausing deployments and rerouting traffic to mitigate impact. The outage, acknowledged via Microsoft's service health page and X account, affects services including Exchange Online, SharePoint Online, and Defender XDR, with issues confirmed across all regions. Microsoft stated it is aggressively pursuing fixes and has moved traffic off affected infrastructure, though the admin center was also down for some users. Downdetector reported sharp spikes in problem reports for Teams, Outlook, Copilot AI, and Azure, among others. Microsoft said consumer products are unaffected, and the company is reviewing recent changes for correlation while providing updates under reference EX1550543.