Migration of mailboxes Office 365 to Office 365 may create a risky situation. EdbMails provides the simple way to migrate   from one office 365 tenant to   another Office 365. Users can migrate all the mail items like Email, Calendars, Contacts, Tasks, Journals etc.

Pre Requisites:

1. EdbMails Office 365 to Office 365 Migrator tool

2. Impersonated  Source and Destination Office 365 Global admin account

Steps to Perform Office 365 to Office 365 Migration

1.  Install EdbMails Application in you system

2. Select the option Office 365 Migration

3. Login to Source office 365 Admin account

4. Check the mailbox list in the window, if list is  not found,  load the Mailboxes CSV file and continue.

5. Select the Mailboxes from which you would like to migrate

6.  Click Migrate to Destination Office 365 button

7. Login to destination Office 365 Admin account

8. Check the mailbox list in the window, if the list is not found load the Mailboxes CSV file and continue.

9. Use automatic mapping or manual mapping method to map source and destination mailboxes

10. Click Migrate  Office 365 to Office 365 button.
 

For more information visit:  Office 365 Migrate Mailbox  | Office 365 migration steps  | Office 365 migration Guide