Microsoft confirmed on Thursday morning through its official service incidents social media channel that it’s investigating reports from users having issues accessing online emails through Outlook.
We’re investigating reports of users experiencing issues accessing Exchange Online mailboxes through multiple connection methods in the Americas. More details can be found in the Microsoft 365 admin center under EX1550543.
— Microsoft 365 Status (@MSFT365Status) November 12, 2026
Online web status tracker DownDetector also reported over 59,000 reports made of Outlook issues.
This is a developing story.