The disruption, which has been resolved at the time of writing, was mainly contained to the New York, Chicago, and Los Angeles areas.

Microsoft Outlook, 365 and other services crashed Saturday, affecting tens of thousands in the United States and millions globally before services were restored in less than an hour.

Thousands of Microsoft 365 customers have reported issues with services like Outlook. The company said Saturday in a series of posts on the social platform X that it was investigating the issue, which affected various Microsoft 365 services.