Outlook.com Error 500 when opening mailbox"

Jaehong Gwag 20 Reputation points
2026-08-31T23:27:49.3066667+00:00

My Hotmail/Outlook account signs in, but Outlook Web shows Error 500 during startup. My wife's Hotmail account works on the same computer, so the issue appears specific to my mailbox. The error also happens when try logging in through a mobile phone or different device. AISelect_20260831_160749_Chrome.jpg

Outlook | Web | Outlook.com | Email
Answer accepted by question author
Gérard Oomens 131.3K Reputation points Volunteer Moderator
2026-08-31T23:39:28.7666667+00:00

There is something wrong with the mailserver. (For outlook.com accounts also.)

https://status.cloud.microsoft/

Exchange Online:

-Users may be unable to connect to, or experience degraded functionality, with Exchange Online. All connection methods are affected.

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