If you want to transfer mailboxes from one Office 365 tenant to another tenant then try Shoviv Office 365 Migration Tool. This tool also migrates OneDrive data to another tenant, making the entire tenant-to-tenant transfer smooth and efficient. It allows direct migration of Office 365 mailboxes, archives, shared mailboxes, and public folders without manual export or downtime. You simply connect both tenants, map users, and start the migration. The tool supports incremental migration, so it only moves newly added items during subsequent attempts. With advanced filtering, real-time monitoring, and secure data handling, it ensures a seamless and hassle-free Office 365 tenant migration.


More info - OneDrive to OneDrive Migration