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Error code: CAA90063 when I attempt to login my Microsoft Outlook.

Sinetemba Fumbata 0 Reputation points
2025-03-26T06:03:29.9566667+00:00

I get this error message whenever I attempt to login my Microsoft Teams and Outlook.User's image

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. ChristyZhang-MSFT 26,066 Reputation points Microsoft External Staff
    2025-03-26T07:46:09.01+00:00

    Hi @Sinetemba Fumbata ,

    Welcome to our forum!

    Does this issue occur recently? If so, have you done any specific operations before that?

    Are you using Microsoft 365?

    If so, to diagnose and automatically fix common Microsoft 365 sign-in issues, run the Microsoft 365 Sign-in troubleshooter.In addition, please remove your account and re-add it to Outlook to check if there're any differences.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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