Microsoft has confirmed that some of the Microsoft 365 services are currently down. The company confirmed this via its official Microsoft 365 Status X handle as it notes that the Office.com portal and some of its related services are inaccessible at the moment. The tech giant has informed that you can get status updates regarding the progress of the bug on the Microsoft 365 Admin Center portal with issue ID "MO1138499" so details regarding the outage will be shared there.
We're investigating an issue with accessing https://t.co/ROdao97J8S. More information can be found under MO1138499 in the admin center.
— Microsoft 365 Status (@MSFT365Status) August 20, 2025
The official Microsoft 365 Service Health Status website currently lists that there is no issue with "everything up and running". However, the page will likely be updated soon to reflect the situation.
We will update the post once more details are available.
Update, August 21 2025, 7.45 GMT: Microsoft has closed the issue stating that it identified the root cause:
We've identified a recent change is contributing to impact, and we're reverting it to remediate impact. Users may need to refresh their browsers to experience relief. More details can be found under MO1138499 in the admin center.
— Microsoft 365 Status (@MSFT365Status) August 20, 2025
We’ve completed the reversion throughout the affected infrastructure and confirmed that impact is resolved for all users. Users may need to refresh their browsers to experience relief. For more information, see MO1138499 in the Microsoft 365 admin center.
— Microsoft 365 Status (@MSFT365Status) August 20, 2025
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