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mediumExchangecross-tenant mailbox migrationnew featurelearn_exchange · Jul 7, 2026

Cross-tenant mailbox migration

Exchange Online now supports cross-tenant mailbox migration for organizational restructuring scenarios like mergers or divestitures. This feature enables administrators to move user mailboxes between tenants while maintaining data integrity and minimizing disruption.

Cross-tenant mailbox migration Summarize this article for me In this article During mergers or divestitures, you might need the ability to move your users' Exchange Online mailboxes into a new tenant. This article describes the process for cross-tenant mailbox moves and provides guidance on how to prepare source and …
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Audience
admindeveloper
Environment
cloud
Ontology Topics
AZ-500MD-102
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Cross-tenant mailbox migration | 365Forge