Outlook 2016 doesn't accept password or app password

Anonymous
2024-01-25T09:40:42+00:00

I have this problem - Outlook 2016 doesn't accept password or app password - and i think it is a growing World wide Microsoft problem :-(

See also here: https://www.reddit.com/r/Outlook/comments/19dx64p/outlook_2013_windows_10_suddenly_not_accepting/Outlook gives me this: (startede yesterday)

I have 2 PC's with HOTMAIL accounts in Outlook 2016 ...

They both have this error.

I do get mails ... but I can´t send mails. Yesterday it did work for 1-2 hours ... but right now the error is there all the time :-(

Please help me.

Thanks in advance

Pierre

Outlook | Windows | Classic Outlook for Windows | For business

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  1. Anonymous
    2024-01-31T20:15:48+00:00

    Just received an authentication error. So, problem not fixed. Still need more work from Microsoft.

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  2. Anonymous
    2024-01-31T17:36:27+00:00

    I am using multiple accounts and Mailbird. This morning is the first time in a week that all accounts have synced correctly at the same time and have continued working for the past hour. That is a good sign. I hope this is resolved.

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  3. Anonymous
    2024-01-31T17:02:09+00:00

    I'm glad I found your vital server tip as Thunderbird didn't mention it.

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  4. Anonymous
    2024-01-31T14:12:04+00:00

    I use Mailbird too and have the same problem. One workaround I found is:

    1. I can send mail and SMTP settings always work
    2. IMAP settings report a problem, but
    3. Open settings and check the SMTP configuration
    4. Close both SMTP and IMAP settings windows
    5. Now, I can check my mail and despite the error warning, I can receive mail

    Hoping for a resolution soon.

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  5. Anonymous
    2024-01-31T13:37:02+00:00

    thank you! I didn't know that OAuth2 could be used. Now you don't have to rely on app passwords.

    Also, the problem of being asked for authentication information multiple times seems to have been resolved in my environment.

    No problem.

    Even though app passwords are now functioning, it's worth switching Outlook 2013 to OAuth2 in case this happens again.

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