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Summary: This article explores Office 365 Group migration, stressing its complexity compared to mailbox migration. It introduces the Kernel Office 365 Migration tool, a robust solution with step-by-step instructions for seamless tenant-to-tenant migration, making it an ideal choice for users of all technical backgrounds.

Previously, we discussed the Office 365 tenant-to-tenant migration, a process designed to assist in transferring Office 365 mailbox data from one tenant to another. Similarly, you have the capability to migrate Office 365 Groups between tenants. Therefore, it is essential to understand the procedure for migrating Office 365 Groups when relocating all mailbox data from one tenant to another.

In this article, we’ll delve into Office 365 Group-to-Office 365 Group migration using a powerful tool that can also facilitate the migration of Exchange mailboxes. However, before we embark on the migration process, it’s important to first explore the concept of Office 365 Groups.

What are Office 365 Groups?

Groups is an advanced service provided by Microsoft, seamlessly compatible with any Office 365 plan included in your subscription. Through Office 365 Groups, you gain effortless collaboration and communication capabilities with your team, enabling the sharing of documents, spreadsheets, and collaboration on various projects.

You have the flexibility to choose specific individuals you wish to engage with and include them in Groups. From there, you can establish a repository of resources that these individuals can collectively access and utilize.

At a fundamental level, Office 365 can be described as an object within Azure Active Directory, offering a roster of members and a flexible connection to associated functionalities. These functionalities encompass Yammer groups, SharePoint Team Sites, shared Exchange mailbox resources, Power BI, Planner, and OneNote. The Group allows for the effortless addition and removal of individuals as needed.

There are two factors that differentiate Office 365 from earlier Microsoft technologies:

  • End users can set up this service by themselves without taking any help from the IT department
  • The dynamic nature of Office 365, and its collaboration with other collaborative technologies of Microsoft

Now, let’s see how Office 365 Groups can be migrated from one tenant to another.

Migrating Office 365 Groups

While migrating Office 365 mailboxes from one tenant to another can be accomplished using tools like the Exchange Admin Center or Exchange Online PowerShell Management, the process of migrating Office 365 Groups is considerably more complex. This complexity arises from the need for a well-thought-out migration plan specific to Office 365 Groups.

Even with meticulous planning, manually migrating Office 365 Groups can be a challenging task. Therefore, we’ve developed a distinctive approach for tenant-to-tenant migration of Office 365 Groups.

Automated Office 365 Migrator tool

The Kernel Office 365 Migration tool stands out as one of the premier solutions available online for Office 365 Groups migration between tenants. In addition to this, it boasts the capability to migrate Exchange mailboxes, whether they are located on-premises or hosted. What sets this software apart and makes it an ideal choice for migration are its advanced features. These include mailbox filtering options, comprehensive migration reports, the flexibility to skip, exclude, or include specific data, and more. Furthermore, its user-friendly and seamless operation makes it a superb choice, even for individuals who may not possess extensive technical expertise.

  1. Download and configure the software on your computer.
  2. Launch the software, and from the home screen, click Add Source section.
    Launch the software
  3. Provide the details for Office 365 account, add the Office 365 group ID in the given section, and then click Add.
    Provide the details for Office 365 account
  4. After adding the source mailbox, click Add in the destination section.
    adding the source mailbox
  5. Similarly, provide details of the destination Office 365 tenant and group ID, and then click Add.
    provide details of the destination
  6. Once both the source and destination Groups are added, map the source to the destination and click the Set filter and Migrate button.
    map the source to the destination
  7. In the next step, select the mailbox type and click Migrate.
    select the mailbox type
  8. The Filter Selection window will appear on the screen. Apply the relevant filters to the data and select the “Select if migrating to Office 365 group” checkbox, and then click I am OK Start Migration.
    checkbox, and then click I am OK Start Migration
  9. The Office 365 Groups window will appear on the screen, read the instructions for Group migration; check the required option, and click Ok.
    click Ok
  10. The tool will start migrating one Group to another; once it is done, a notification will appear on your screen confirming the same. Click Ok to finish the process.
    Click Ok to finish the process

That’s the easiest method for Office 365 Group to Group migration.


Office 365 Group-to-Group migration becomes necessary when you’re faced with the task of migrating Groups between different tenants. In this article, we’ve outlined an efficient solution for successfully migrating Office 365 Groups from one tenant to another.

Kernel Office 365 Migration