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Arvid J. Brusch 1 Reputation point
2021-05-05T19:20:07.44+00:00

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Outlook | Windows | Classic Outlook for Windows | For business

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  1. Lucas Liu-MSFT 6,191 Reputation points
    2021-05-06T05:33:59.717+00:00

    Hi @Arvid J. Brusch ,
    Has the account used the O365 mailbox before? Did the problem occur suddenly, or did it occur the first time you used your mailbox?

    According to the error message, please contact your Microsoft 365 administraotr and check the following point:
    1.Please check if your account has a valid license.
    94284-2.png

    2.If the account has just been assigned a license, you need to wait for a while, and the system will automatically create an mailbox for you.

    If the response is helpful, please click "Accept Answer" and upvote it.
    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.

    2 people found this answer helpful.
  2. Danda Srinivasulu 6 Reputation points
    2022-06-05T15:15:29.12+00:00

    my web mail not open so please solve my problem

    1 person found this answer helpful.
  3. Esmatullah Ahmadzai _ Student - GreenES 0 Reputation points
    2024-01-25T15:20:05.74+00:00

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