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Changing email domains but preserving messages

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Our company's domain name is changing.  Our email addresses of course need to change to reflect the new domain name.

 

How can I accomplish the transition of a user's email address from address@OLD.com to address@NEW.com

 

I understand that we can create a new domain and a new user.  But our major requirement is to preserve all existing messages for the user under OLD.com and transfer them into the mailbox for the user under NEW.com

 

Thanks in advance!

 

Robert

Verified Answer
  • Hi Robert,


    I’d like to clarify that you want to change the email domain address without losing the data. Is that correct?


    To change the email address domain, please perform the following steps:

    1. Login to Microsoft Online Portal.

    2. Click “Users” under Management panel to show the users list.

    3. Select the users that you want to change the email domain. Click “Edit”.

    4. Then you can change your email address domain to a verified domain.


    Changing the email domain in this way, the data associated with the email address will not be lost.


    Note: the new custom domain must be verified.


    Thanks,

    Kevin Cui

All Replies
  • Hi Robert,


    I’d like to clarify that you want to change the email domain address without losing the data. Is that correct?


    To change the email address domain, please perform the following steps:

    1. Login to Microsoft Online Portal.

    2. Click “Users” under Management panel to show the users list.

    3. Select the users that you want to change the email domain. Click “Edit”.

    4. Then you can change your email address domain to a verified domain.


    Changing the email domain in this way, the data associated with the email address will not be lost.


    Note: the new custom domain must be verified.


    Thanks,

    Kevin Cui

  • Hi Robert,


    How are the things going?Has this issue been resolved?
     
    If you have any other questions or concerns, please do not hesitate to contact us.
     
    Thanks,
    Kevin Cui