Microsoft Teams

Microsoft Teams Tenant to Tenant Migration – Complete 2026 Walkthrough

Summary: This guide consists of the most reliable and secure solution for the user query i.e. “Microsoft Teams tenant to tenant migration without compromising the data security?” Read & follow the step by step procedure to enhance your data migration task without any risk involved.

Before getting into the detailed guide and steps, here is the quick and reliable way to perform this task. You can follow these simple 5 steps to carry out the entire migration without getting into the manual method.

What Is Migrate Microsoft Teams from One Tenant to Another?

In simple language it means moving your Teans data from one Microsoft 365 account known as source account to another tenant which called as target tenant.  If I explain than tenant means your organization’s Microsoft 365 setup where all users, data, and services are saved. 

This process plays an important roles when a company needs to migrate Microsoft Teams from one tenant to another without disrupting workflow or communication. During migration it is seen that important data will get transferred, such as:

• Teams along with their channels
• Chats and messages
• Files that has been saved on SharePoint and OneDrive
• Users account and their respective roles

When Do You Need Teams Migration?

Most of the organisations consider Microsoft Teams tenant to tenant migration because of these situations:

• Business merger and acquisitions: When two companies join together as one, they need to merge their communication system in one place. This means they have to migrate Microsoft Teams from one tenant to another so everyone can collaborate seamlessly.

• Tenant consolidation:  It is seen that large organisations manage multiple tenants, which can be complicated and costly at the same time. In order to simplify things and improve control over everything, they combine everything under one tenant.
• Company rebranding or domain change: When any company changes its name or brand, there is a requirement to rtestructure its tenant setup. 
• Business separation or divestiture: If any business splits into two, then the admins move data and Teams environment to a new environment.

Compliance and data residency requirements: Sometimes there is a requirement to move data in order to match with the legal rules or store it in specific region. In such cases migration is a mandatory task.

Since Microsoft doesn’t provide any built-in solution, most of the organizatiosn rely on proactive approach and third-party tools to migrate teams from one tenant to another securely.

Pre-Migration Checklist

Before starting the process of Microsoft Teams tenant to tenant migration, it is important to have a proper planning. Here is the checklist that I personally follow before starting the process:

• Review your current setup: Check all your Teams, channels, users, and other data that is included. Also go through on how much data you will move before starting the process to migrate Teams from one tenant to another.
• Backup important data: Always keep a backup of your data to avoid any kind of data loss during the process to migrate Microsoft Teams from one tenant to another
• Check admin access: Make sure that you have the global admin access and it is working for both source and destination tenants.
• Prepare user mapping: Check users from the source tenant to the destination tenant so that permissions and ownership remain as they are.
• Validate licenses: Make sure that all the required Microsoft 365 licences are properly aligned with the destination tenant.
• Verify domains: Frist add your domain and then check is it working in the target tenant before starting the migration process.

Now, let’s move to the detailed guide, where we are going to discuss all aspects of migration in Teams including challenges and their mitigation.

Organizations always look for a service that can enhance their communications and work collaboration within their digital workspace. After the covid-19 pandemic, it became extremely crucial, for companies with distributed workforces, and work-from-home scenarios, as both require the utmost communication & collaboration to maintain work productivity & efficiency.  

In addition to this, not only for the chats, the search remains the same for more comprehensive solutions, including audio & video calls, file sharing, and real-time collaboration on applications, and many more.

Most of these features are being supported by Teams, a crucial part of the Microsoft Office 365 business productivity suite. And this is why a massive adoption of Microsoft Teams by business organizations can be seen nowadays.

However, the sad reality comes when they require migrating Microsoft teams from one tenant to another manually in various scenarios such as mergers, acquisitions, and consolidation of businesses.

What Data Can Be Migrated in Microsoft Teams?

When you are planning to migrate Microsoft Teams from one tenant to another. Here are the list of the data that move easily:

• Teams & channels:  All the public or even private teams along with their channel structure get migrated easily.
• Channel conversations: Conversations and discussion threads inside channel can easily get move, depending on the methods or tools you are using.
• Files & documents: SharePoint files that are used by the Teams channels and OneDrive files that are used for personal chats.
• User membership: All the team members, owners get transferred along with their roles.
• Permissions & Access control: With mapping done properly, user permissions and access rights can be maintained during mibgration.

Security & Compliance Considerations

Security has to be the priority when performing a Microsoft Teams tenant to tenant migration. Here are some simple points to understand it better:

• Data encryption: Make sure that the data is encrypted while its being transferred.
• Compliance requirements: Always work under the GDPR and internal rules to keep the migration legal.
• Access control: Always give the access to the admin and higher authority to avoid the unauthorised access.
• Audit logs and tracking: Keep a record of the activities so you cabn track everything during the process to migrate Teams from one tenant to another.
• Data integrity checks: Go through your data after the migration to make sure that nothing is left behind.
• Secure authentication:  Always use the OAuth method instead of basic authentication to keep your account safe.

Let’s Learn More about the Challenges to Microsoft Teams Tenant to Tenant Migration Manually

The very first thing, you need to understand is, that Microsoft does not offer any direct way or tools to perform this type of data transfer. Furthermore, a large number of business organizations face the biggest issues while executing this task manually.

Some of the major challenges are mentioned below:

• Multiple Storages  

The most common issue user faces while moving teams are, the various locations of file storage. Teams’ data is stored in several locations such as user mailboxes, OneDrive, and SharePoint sites along with different formats.

• API Limitations

There are various app API limitations that may lead to multiple errors while migrating or retrieving channel chat data manually between team tenants.   

• Data Integrity

Another biggest challenge is to maintain the folder data structure and integrity. In addition to this, when you will try to move the dynamic group to the target it will automatically change into the static group.

• Crucial Data Loss

You cannot migrate Teams settings to the destination while doing so, you might lose the setting at the destination. Moreover, you can not migrate third-party integrated apps, it is integrated using the connectors.

In addition to this, the manual approach also requires the usage of PowerShell cmdlet scripts, joining each team as an owner, generating each Microsoft Teams Tenant to Tenant Migration manually, and a slew of other technical factors to ensure the integrity of what’s been migrated from source to destination.

Now, let’s discuss the best possible way to execute this task without facing technical errors or data loss.

Expert’s Recommendation to Migrate Microsoft Teams to Another Tenant

The complexity of data migration can vary from business to business and moreover, it is likely to be unique, depending on the number of users, resources needed for the data transfer, and the total migration load.

In this situation, it is always the best approach to use the reliable and top-rated Microsoft Teams Migration Tool to execute the whole operation in a secure environment without facing any data loss or hassle.

Download Now    Purchase Now

In addition to this, the software comes with several modern features that make this data transfer experience a breeze operation.

 Step By Step Procedure to Migrate Microsoft Teams Between Tenants

Step 1. Download & run the software & opt for Office 365 as the Source & destination migration platform.

Step 2. From the workload selection, check the Teams option & enable Teams & Channel creation option as well. Moreover, enable allow “groups workload migration” if necessary.

Step 3. Provide source & destination Office 365 admin credentials to log in and click on the validate button to execute the required permission validation and click next.

Step 4. Using Fetch Users, Import Users, or Download template options, Add & validate the required permissions for O365 User IDs, Teams, and Groups respectively.

Step 5. Now, in order to validate Teams, you need to create the destination Teams accordingly. Then you can navigate to the permission validation.

Step 6. Once you have successfully validated the Teams, click on the start migration button to migrate Microsoft teams to another tenant.

Step 7. After the migration completion, navigate and choose the Mark Teams Complete option.

Step 8.  Now, browse to the Groups Tab, & add groups via Fetch Groups or Import Groups options.

Step 9. Provide destination group accordingly and, click on Validate & click on Start to migrate MS Teams to another tenant safely.

Related: How to Migrate Shared Mailbox to Office 365 User Mailbox?

Post-Migration Validation Checklist

Once the process of Microsoft Teams tenant to tenant migration finished.  It is important to check if everything is in working condition or not. Here is the simple checklist that I follow:

• Check Teams & channels:  Check all the Teams and their channels migrated properly.
• Verify file access: Open any file and check if they are accessible
• Confirm user permissions: Verify if all the users have theri roles and access.
• Test communication features:  Make sure that chats and notifications are working as expected.
• Review data accuracy: Compare the migrated data with then source tenant to make sure nothing is left behind.
• Monitor performance:  Track if everything is in running condition and filx the lagging issue quickly.

Bringing It All Together

Data migration in Microsoft Teams is a challenging and complex task to execute, moreover, you cannot transfer teams’ data comprehensively to the destination manually.

Therefore, in this informative guide, we have shown the step-by-step procedure to operate this task with maximum data security and integrity. Users are advised to follow the same to avoid unnecessary data loss or complications while migrating Microsoft Teams to another tenant.

FAQs

Is it possible to migrate private chats in Microsoft Teams?

Yes, but if you are moving it with a professional tool because private chats are difficult to migrate.

How much time Microsoft Teams tenant to tenant migration takes?

The time that it going to take depends on the data size, number of users and migration method that users are going with.

What are the permissions that are mandatory for the migration?

he only permission that is required is the global admin access.

Is it mandatory to use the professional tool?

No, it is not mandatory but it is recommended to use the professional tool as it easy the process and avoid the risk of data loss.

Is it possible to migrate Teams data in batches instead of in one go?

Yes, it is possible and recommnes to migrate Teams data in batches because it helps organizations to migrate teams from one tenant to another in phases.