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Identify Primary SMTP address of a Microsoft 365 mailbox

When migrating data to or from Microsoft 365, Transend requires you use theprimary email address of each mailbox, rather than an alias.

To locate the primary email address of a mailbox in Microsoft 365, open theAdmin Center:

  1. Click Users > Active Users.

  2. The primary email address of a mailbox is located in the Username andemail field.

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  3. To confirm the primary email address, click the user’s Display name

  4. In the window that displays on the right side, click Manage username andemail.

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  5. Confirm the primary email address.

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