Starting a Microsoft tenant to tenant migration can feel overwhelming, but breaking it into phases—assessment, preparation, migration, and validation—helps manage the complexity. Make sure to address identity management and mail routing early in the process to avoid issues.

For file migrations, a powerful OneDrive migration tool can make all the difference. It helps move files securely while maintaining ownership, sharing links, and version history. Many tools also offer detailed logs to track progress and troubleshoot problems.

Want to use Microsoft’s supported method for mailbox moves? This video on Office 365 Tenant to Tenant migration provides all the steps needed to migrate mailboxes with built-in Exchange Online features.