Microsoft Outlook experienced a major outage on July 10, affecting thousands of users across the U.S.

On July 10, 2025, thousands of Microsoft Outlook users across the U.S. faced difficulties accessing their email accounts, with over 2,700 issues reported by early morning. Microsoft confirmed the problem, deployed a fix, but later stated the initial fix had issues. The exact cause of the outage remains undisclosed, though the company is working to resolve the problem.