Error code 29 when starting O365

Anonymous
2023-12-05T02:59:44+00:00

I get this message every time I start Word or Excel and enter my valid email account name:

Apps show correct account when I acknowledge and enter program.

Microsoft 365 and Office | Subscription, account, billing | For home | Windows

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2024-02-13T10:40:14+00:00

    Just a FYI, do NOT bother formating PC and attempting a clean install again. Same issue still persists.
    Attempted on multiple PCs.

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  2. Anonymous
    2024-02-13T10:30:44+00:00

    Experiencing the exact same issue with Office 365 and Copilot Pro.
    Fighting with it for days only to be advised by Level 2 this morning after pushing issue... Dang

    * Has anyone attempted to resolve this by maybe removing the Copilot sub and then adding it back in?
    Cheers all

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  3. Anonymous
    2024-02-12T20:27:56+00:00

    I am in the same boat as you, and sad to hear that more people are staring to face this issue. I was fighting with Microsoft for 3 days straight with no viable solutions.

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  4. Anonymous
    2024-02-12T12:38:29+00:00

    Hi Elmar08,

    Thank you for your response! I will continue to follow up on this issue here.

    Best regards

    wanzhiyu

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  5. Anonymous
    2024-02-12T12:09:19+00:00

    Hello wanzhiyu,

    I encounter exactly the same problem as you describe. Yesterday, I got online chat support by Microsoft on this issue. A level 2 support agent told me that this problem is indeed due to Copilot Pro and that it is known at Microsoft. The engineers are currently working on a solution and will provide a fix soon.

    Best regards

    Elmar08

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