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If you’re planning a Microsoft 365 tenant-to-tenant migration and want a stress-free solution, I highly recommend the MailsDaddy Microsoft 365 Tenant to Tenant Migration Service. We recently used it for moving approximately 400 users across tenants due to a domain restructure, and everything worked like clockwork.
The platform doesn’t require you to install anything locally—just authenticate both tenants securely using OAuth and Microsoft Graph API. You then map users, apply filters, and run a pilot or full migration right from the dashboard. The web-based interface is intuitive and loaded with features.
We loved the date-filter and selective folder migration options—it allowed us to skip old or unnecessary data. The delta migration helped us manage updates before the final switchover. Calendar events, contacts, and even folder permissions were maintained without any issues.
Support was another strong point—they were proactive and knowledgeable from the start. We even got post-migration reports to validate the results.
If you want full control, speed, and no surprises in your Microsoft 365 migration project, go with MailsDaddy.
Contact Us: https://www.mailsdaddy.com/services/cross-tenant-migration.php
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