Microsoft 365 tenant-to-tenant migrations

There are several architecture approaches for mergers, acquisitions, divestitures, and other scenarios that might lead you to migrate an existing Microsoft 365 tenant to a new tenant. Most customers work with Microsoft Consulting Services or a Microsoft partner to migrate tenants, including using third-party tools to migrate content.

Use the Tenant-to-tenant migration architecture model to understand how to plan for Microsoft 365 tenant-to-tenant migrations and the steps of a migration.

You download this model in PDF format and print it on letter, legal, or tabloid (11 x 17 inches) size paper.

This model provides guidance and a starting-point for planning with sections on:

• Mapping of business scenarios to architecture approaches
• Design considerations

This model also contains detailed examples of:

• A single event migration flow
• A phased migration flow
• A tenant move or split flow