Unable to access my Outlook/hotmail email account. Error 401- RESOLVED

TeresaM 370 Reputation points
2025-07-10T05:49:26.7866667+00:00

Something is wrong with my personal email account, as other members of my family are able to access their Outlook email accounts. When I try to log on to Outlook (hotmail) on my phone or on my PC, I receive the following error message. I need to be able to access my emails. Please advise on how I can resolve this. I have already reset my password and cleared my cache and history.

UTC Date: 2025-07-10T05:33:04.707Z
Client Id: 8798D6BD74FF43679B325E07B4F542E7
Session Id: 85f3e46d-11d3-463d-bf21-b26d2fb91ceb
Client Version: 20250620014.20
BootResult: fail
Back Filled Errors: Unhandled Rejection: Error: 401:undefined|undefined:undefined
err: Error: 401
esrc: StartupData
et: ServerError
estack: Error: 401
    at Object.w [as createStatusErrorMessage] (https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.ad3a7e4e.js:1:1039)
    at https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.ad3a7e4e.js:1:161561
st: 401
efe: PH8PR20CA0019
Outlook | Windows | Classic Outlook for Windows | For business

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Answer accepted by question author
MER 270 Reputation points
2025-07-10T10:31:01.1633333+00:00

I have spoken with Microsoft this AM via live chat and its a known issue which is effecting some users. They are working on the issue and hope to have it resolved asap

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  1. Emma Brown 0 Reputation points
    2025-07-10T12:33:33.38+00:00

    Hi, I’m also having the same issues. Can’t send or receive emails at all and can’t get into my account

    Error 500

    clientIPAddress 92.16.7.152

    X-ClientId: B552B23144AF465FA929B4431D6E7460

    X-FEServer LO4P265CA0075

    Date:10/07/2025 12:23:43

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  2. Amanda Whatley 0 Reputation points
    2025-07-10T12:00:24.7766667+00:00

    I am having the same problem and cannot log onto my emails error 401. Is this a general problem?? Is Microsoft working on this?

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  3. Elpida K 0 Reputation points
    2025-07-10T10:54:58.52+00:00

    User's image

    lost access to my account today.

    Microsoft support could not be reached on the phone.

    Tried all the above nothing helped.

    Is Microsoft going to help?

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  4. Steven Brown 5 Reputation points
    2025-07-10T10:52:10.7166667+00:00

    My Outlook started working again moments ago. Isn't working in IT fun?

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