Tenant migration is a method of moving databases from one domain to another Office 365 account. But the user cannot easily follow the manual steps. Because most of the users face errors during the whole migration.

The best way to avoid the complicated steps of the manual method is to trust a professional like MailsDaddy Exchange Server Suite for Tenant Migration. And if you also want to follow the manual method then you have to try it 3 to 4 times by self-testing with many steps then maybe you will be able to convert.

Get more info: Tenant to Tenant Migration