The best way to perform Tenant-to-Tenant Migration in Office 365 is by using the SysInfo Office 365 Backup Tool, which makes the process simple, secure, and efficient. First, install and launch the software on your system. Log in using your Office 365 administrator credentials. The tool gives you the option to back up or migrate entire mailbox items such as emails, contacts, calendars, attachments, and more. To migrate data from one Office 365 tenant to another, you can use the Assign Impersonation feature. This allows you to migrate data from multiple user accounts at once by uploading a CSV file with their details. After selecting the source mailbox, choose the Office 365 option again as the destination.
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