I have recently gone through an informative article that explains the detailed process to perform Office 365 Tenant to Tenant migration process. It includes a manual and a professional software approach that will help you to accomplish this task. However, the manual method requires the proper knowledge and experience with Microsoft 365 dashboard. Hence, this method is not recommended to non-technical users.

In this respect, experts have recommended opting for a professional Office 365 Migration Tool that is one of the easy and reliable ways to perform cross-tenant mailbox migration in Office 365. This article will introduce you to such an advanced utility that ensures high data integrity and facilitates some advanced features to optimize the whole process.