check before: 2025-12-01
Product:
Exchange, Microsoft 365 suite, OneDrive, Teams
Platform:
Developer, Online, World tenant
Status:
Change type:
New feature, Admin impact
Links:
Details:
Summary:
Starting early December 2025, admins can opt-in to a unified interface with new PowerShell Graph commands to migrate Exchange mailboxes, OneDrive files, and Teams chats across Microsoft 365 tenants, simplifying tenant-to-tenant migrations during organizational changes. No action is required unless used.
Details:
[Introduction]
To simplify cross-tenant migrations, we're introducing a unified interface that enables administrators to move user data-including Exchange mailboxes, OneDrive files, and Teams chats and meetings-across Microsoft 365 tenants. This streamlines migration workflows and supports seamless collaboration during organizational transitions.
[When this will happen:]
Public Preview (Worldwide): Begins early December 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-12-18
updated:
2025-12-18
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Data Loss Risk
If the migration is initiated without proper preparation, there is a risk of data loss during the transfer of Exchange mailboxes, OneDrive files, and Teams chats.
- roles: IT Admin, Data Manager
- references: https://www.techrepublic.com/article/5-ways-to-avoid-data-loss-during-a-cloud-migration/
User Disruption
Users may experience disruptions in access to their mailboxes, OneDrive files, and Teams chats if the migration is not carefully planned and executed, leading to decreased productivity.
- roles: End User, IT Support
- references: https://www.forbes.com/sites/bernardmarr/2020/01/20/the-top-5-challenges-of-cloud-migration-and-how-to-overcome-them/
Compliance Issues
Without proper preparation, migrating sensitive data could lead to compliance violations if data is not handled according to regulations, impacting the organization legally.
- roles: Compliance Officer, IT Admin
- references: https://www.csoonline.com/article/3531230/5-compliance-challenges-in-cloud-migration.html
Configutation Options**
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Opportunities**
Centralized Migration Monitoring
With the introduction of a unified interface for tenant-to-tenant migrations, admins can monitor all migration processes from a single dashboard. This reduces the time spent on tracking and troubleshooting individual migrations and enhances overall operational efficiency.
- next-steps: Implement training sessions for IT staff to familiarize them with the new PowerShell Graph commands and centralized monitoring features. Develop standard operating procedures for migration monitoring.
- roles: IT Administrators, IT Managers, Operations Managers
- references: https://learn.microsoft.com/microsoft-365/enterprise/migration-orchestrator-1-overview?view=o365-worldwide
Streamlined Migration Workflows
The new unified interface simplifies the migration process for Exchange mailboxes, OneDrive files, and Teams chats, which can lead to reduced downtime and a smoother transition for users. This improvement directly enhances user experience during organizational changes.
- next-steps: Assess current migration workflows and identify areas for integration with the new interface. Plan pilot migrations to test the new workflows before full-scale implementation.
- roles: IT Administrators, Project Managers, Change Managers
- references: https://learn.microsoft.com/microsoft-365/enterprise/migration-orchestrator-1-overview?view=o365-worldwide
Enhanced Communication with Stakeholders
The ability to communicate the availability of the new migration feature to IT and helpdesk teams can improve user support during migrations. Clear communication channels can lead to better user experience and quicker resolution of issues.
- next-steps: Develop a communication plan that outlines how and when to inform relevant stakeholders about the new migration feature. Schedule regular updates and feedback sessions during the migration process.
- roles: IT Administrators, Helpdesk Managers, Communications Officers
- references: https://learn.microsoft.com/microsoft-365/enterprise/migration-orchestrator-1-overview?view=o365-worldwide
Potentional Risks**
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IT Security**
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explanation for non-techies**
Imagine you are moving houses. In the past, you might have had to pack your belongings separately, using different boxes and trucks for your furniture, clothes, and kitchen items. It would have been a bit chaotic, and you might have needed to coordinate with different moving companies for each type of item. Now, imagine if you had a single moving company that could handle everything for you, seamlessly transporting all your belongings in one go. This would make the process much simpler and less stressful.
In the world of IT, something similar is happening with Microsoft 365. Starting in December 2025, there will be a new tool that acts like this all-in-one moving company. It allows IT administrators to move user data—like emails, files, and chat histories—from one Microsoft 365 tenant to another. This is particularly useful for organizations going through changes like mergers or restructuring, where data needs to be moved efficiently and securely.
Previously, moving data across tenants could be complex, requiring different tools and processes for each type of data. With the new tool, everything is brought together into a single, unified interface. This means that IT teams can manage the entire migration process from one place, making it easier to ensure that nothing gets lost or left behind.
For those in management or HR, this change means that during organizational transitions, the technical side of moving digital workspaces will be less of a headache. IT teams will have a more streamlined process, reducing the time and effort needed to keep everything running smoothly. Just like with our moving analogy, this tool doesn't require any action unless your organization decides to use it. If your company is planning a move, it might be worth discussing with your IT team to see if this new tool could make the transition smoother.
** AI generated content. This information must be reviewed before use.
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Last updated 2 months ago ago
