There are many software also available online, but i suggest Kernel for Office 365 Migration Software to migrate mailboxes from one Office 365 tenant to another tenant. It's also support hosted exchange migration. The software different from other tools like quick and easy migration, migration between tenants, delegate impersonation rights, filters data before migration and etc.
Posts made by Richard James
RE: Migrate Office 365 Mailbox
How to migrate office 365 tenant to tenant
There is no direct method for office 365 tenant to tenant migration services provided by Microsoft. However, there are many third party tools that provide this service.
I like to suggest Kernel for Office 365 Migration Software to good perform migration of Office 365 user mailboxes to another Office 365 tenant. It also supports hosted exchange migration, Office 365 primary/archive mailbox migration, Office 365 Public folder migration and etc.
Office 365 to Office 365 Migration
For Office 365 Tenant to tenant migration one can also try Kernel Office 365 Migration. It is a secure and reliable user-friendly tool allows users to easily migrate data from one Office 365 accounts to another. For more information, go to- https://www.nucleustechnologies.com/office-365-migration/