Tenant to Tenant Migration

Carrying out a cross-tenant mailbox migration in Microsoft 365 isn’t easy with native tools. Data security, downtime, and manual errors are common challenges. The MailsDaddy Cross-Tenant Migration Service offers a seamless alternative for organizations. It handles everything—emails, attachments, calendars, contacts, and even OneDrive files—while keeping metadata intact. Whether you’re working on a Microsoft 365 tenant to tenant migration for 50 users or 5000, the service scales effortlessly. It’s built to follow tenant-to-tenant migration best practices, ensuring security with Microsoft Graph API and offering a delta migration feature to avoid missing new emails. For IT teams handling Office 365 tenant to tenant migration, MailsDaddy provides a fast, reliable, and stress-free process.