If you’re having issues with Outlook.com today, then you’re not alone. Microsoft is aware of this problem and is looking into the reason for users being unable to access Exchange.com and Outlook.com services.
We’re investigating an issue with users accessing or experiencing degraded functionality when using Exchange Online and https://t.co/gk7xXJQBz5 services. More details are available in your admin center under EX401976 and OL401977.
— Microsoft 365 Status (@MSFT365Status) July 18, 2022
This problem first started at around 9:34 AM ET this morning on July 18 and as of writing is still ongoing according to the Service health dashboard. According to Bleeping Computer, users also had issues with signing in and accessing and reviewing emails via Outlook.com and Exchange Online.
Microsoft tagged the issue in the Microsoft Admin Center with EX401976 and OL401977. Since initial reports, there have been three updates at the time of publishing. One of the latest indicated that there may be an unexpected drop in network availability, which is contributing to the degraded experience.
As of 11:00 AM ET, Microsoft says that they’ve identified the availability drops within network telemetry and are analyzing network infrastructure to isolate the source of the issue. The next update is due in another hour, and we’ll do our best to keep you posted on the latest.
