With user-friendly features, it allows both professionals and organizations to migrate large mailboxes without downtime or technical challenges. vMail for Office365 Email Migration Tool .You can easily add a CSV file containing your contacts to move and migrate them securely, ensuring smooth data transfer, organized management, and quick accessibility across multiple platforms without data loss.

More info- https://appsource.microsoft.com/en-us/product/saas/vartikasoftwareprivatelimited1702907737065.vmail-office-365-email-migration-tool?tab=Overview