Outlook won't open

Sarah Guy 0 Reputation points
2026-08-31T21:42:29.8233333+00:00

Outlook.com Error 500, mailbox will not open

I have tried all suggestions such as trying an incongnito window but nothing works

Outlook | Web | Outlook.com | Email
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  1. EmilyS_726 30,455 Reputation points Volunteer Moderator
    2026-08-31T21:44:48.8333333+00:00

    I think there's something going on Microsoft's end right now. I am seeing many people reporting this issue, but Microsoft has not announced this on their service status page. However, there's an active service incident report on the commercial side. It can be related. You can use Microsoft's X/Twitter account page to check for update

    https://x.com/MSFT365Status/status/2094465993007378744

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