Office 365 default alias

Wayne Goldstein 1 Reputation point

Per this article. for O365 family I cannot change the primary alias as the make primary does show on my screen and I am the admin.

Any suggestions

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Daniel Kåven 696 Reputation points

    There are some limitations to the primary alias.
    Note: "You can't change your primary alias to an email address that's associated with a work or school account."

    So if you want to connect a domain that have Microsoft 365 already it's not possible.

    If this was helpful, please Upvote and Accept Answer.
    Else, please Comment with further information or related questions.

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  2. Wayne Goldstein 1 Reputation point

    Sorry for the lack of clarity. The question was MO365 family. Their site says you can have a custom domain so I presumed you can set that as your default send from address?