Hi,
I'm Sumit, here to help with your query in the Microsoft Q&A.
Apologies for any inconvenience you are experiencing. I am happy to help you today.
Known issue. A fix is deployed for it.
https://portal.office.com/servicestatus
User impact: Users may be unable to access their mailbox using any connection methods. More info: Impacted connection methods include, but may not be limited to: - Outlook.com - Outlook Mobile - Outlook desktop client
Current status: Our deployment of the fix is progressing quicker than anticipated and we expect impact to gradually mitigate as it progresses.
We believe the issue will be resolved by our next update time.
Start time: Wednesday, July 9, 2025, at 10:20 PM UTC
Next update by: Thursday, July 10, 2025, at 10:30 AM UTC