Only the admin can migrate emails. 

Migrating emails from Zoho Mail

1. Login to teaminbox.zoho.com.
   
2. Click the Settings icon in the top right corner and select the Organization tab.
   
3. Navigate to the Migration section in the left menu.
   
4. Click Create Migration.
   
5. Enter a name for future reference.
   
6. Select Zoho Mail as the service provider.
   
7. Enter the email address hosted on Zoho Mail from where you want to migrate the emails.
   
8. Select the destination inbox where you want to migrate the emails.
   
9. If you want to assign the migrated emails to a team member, select the member.
   
10. If you want to mark all the migrated emails as read, turn on the Mark migrated emails as read option.
    
11. If you want to archive all the migrated emails, turn on the Archive migrated emails option.
    
12. Click Start Migration.

Migrating emails from Microsoft

1. Login to teaminbox.zoho.com.
   
2. Click the Settings icon in the top right corner and select the Organization tab.
   
3. Navigate to the Migration section in the left menu.
   
4. Click Create Migration.
   
5. Enter a name for future reference.
   
6. Select Microsoft as the service provider.
   
7. Upload the PST file of your emails.
   
8. Enter the file encryption key.
   
9. Select the destination inbox where you want to migrate the emails.
   
10. Click Start Migration.