Microsoft 365 Outage Disrupts Global Access to Outlook and Teams

A system change caused widespread issues with Microsoft services, leaving users facing delays as the company works to fully restore functionality.

The outage, which began early Monday, affected Outlook, Teams, and other Microsoft 365 services, disrupting email, calendars, and communication for users worldwide.
Microsoft identified a recent system change as the cause and has since reverted it, deploying fixes and manually restarting affected systems.
By Monday afternoon, Microsoft reported that roughly 98% of impacted environments had received the fix, but delays persisted for some users.
The outage coincided with the rollout of Microsoft's new AI-powered Recall feature, though its connection to the disruption remains unclear.
The incident follows a history of major outages for Microsoft, highlighting the challenges of maintaining reliability in cloud-based services used globally by businesses and individuals.