Can't sign in outlook Server Error: 401:undefined|undefined:undefined

Anonymous

UTC Date: 2025-07-10T00:19:57.157Z
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: KL1PR01CA0055

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46 answers

Anonymous

2025-07-10T06:41:43+00:00

Same here
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Anonymous

2025-07-10T06:32:06+00:00

Same issue. It hasn´t been resolved.
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Anonymous

2025-07-10T05:19:12+00:00

Ok this seems to have resolved by itself. I can access it now.
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Anonymous

2025-07-10T04:09:55+00:00

Same issue with mine. Please help
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Anonymous

2025-07-10T04:05:00+00:00

Go try to open outlook.com at new Incognito window and sign in. maybe will work it.
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