Office 365 Tenant to Tenant Migration Step By Step – A Comprehensive Solution

Lindsey Smith | June 8th, 2021 | Cloud, Office 365

Summary: Are you tired of performing manual data migration in Office 365? We are here to save your soul! In this blog, we will be describing an automated solution for Office 365 tenant-to-tenant migration step by step. By which one can easily perform this transition, without any hassle. By the end of this blog, you will get a productive solution for your query.

In the current time, there are many organizations adopting Office 365 cloud services. Sometimes, organizations have to deal with multiple Office 365 tenants in situations of mergers & acquisition scenarios.  In some other scenarios, there might be a need to consolidate multiple Office 365 tenants into a single Office 365 tenant, to reduce the cost and complexity to manage multiple tenants. Here we will discuss the method in a detailed way, let’s start the procedure.

Phases of Tenant to Tenant Migration Step By Step in Office 365

This data transfer required planning before going ahead to migration. It will help to smoothly perform the migration. There are multiple phases are involved, in the upcoming section. We are going to describe all phases in detail.

Pre-migration Planning:

This phase has an important role in Office 365 tenant to tenant migration, we have to make sure which data need to migrate, full fill all prerequisites of the transition tool. Segregation of data will reduce the complexity of this migration.

Preparation of Source & Destination Tenants for Office 365 migration Between Tenants:

The next step is to tenants preparation, these steps include creating additional user’s mailbox or space creating in destination Office 365 tenant, increase users licenses. Destination tenant preparation depends on the data of the source Office 365 tenant it would be performed manually from the Office 365 admin center.

Domain Preparation:

Domain transfer is a must required & it is a complicated process. When performing Office 365 tenant to tenant migration we have to migrate the entire user’s data from the old tenant.  In the domain preparation process, we have to create a text record from DNS verification. It will take up to 72 hours.

Account Preparation:

Before starting the migration, users account preparation is necessary. We have to create a CSV file in which we will enter all user’s email IDs that we are going to migrate into the destination tenant. This CSV file used by third-party software.

Disable Azure Active Directory Sync:

Active Directory Sync allows accessing public folders, SharePoint & other resources. Before starting Office 365 tenant to tenant migration, we have to disable the Azure active directory from the source tenant. This process will take 24 hours. Once AD DS disabled from the portal, changes in Office 365 source will no longer sync to Office 365 organization.

Activity on Migration Day:

Some required activities to perform on data transition day are:

1: Stop receiving incoming emails to the source Office 365 tenant.

2: Configure the source Office 365 tenant domain to migrate to the destination Office 365 tenant.

3: Verify the source tenant domain on the destination tenant. Create a list of source Office 365 domain users to which you are going to migrate.

After doing all the pre-migration phase, we are ready to migrate data from Office 365 tenant to tenant.

Let’s Perform Tenant to Tenant Migration in Office 365  

Many IT experts recommend using a professional tool for this type of data transfer, unfortunately, there is no such tool provided by Microsoft. Hence, in this situation, it is suggested to use Office 365 to Office 365 migration tool. As, this is an error-free, one-stop solution for this query. This utility has the capability to perform multiple types of data migration with maximum data protection and integrity.

It comes with a demo version and users can avail themselves of it, in order to verify the working performance of this utility. The free demo can migrate for two user accounts, furthermore, migration users have to buy the full version of this utility. Now, let’s discuss the step by step procedure for the same.

Step By Step Guide to Perform Office 365 Tenant to Tenant Migration

  1. Run the software and select Office 365 as a source, as a destination from the initial screen.

2. Select items that you want to migrate from the Workload selection. Date-filter, Migrate documents permission, Use group mapping option is also available. Select option according to requirements. Then click on Next.

3. Now, enter source Admin ID and Application ID, then click on the Validate button to validate permissions.

4. Once software validates the permissions. Then, Click on Next.

5. Now, enter destination Admin ID and Application ID, then click on Next.

6. After the permission validation, click on Next.

7. We have to create a mapping between Office 365 source users and destination users, to do this tool provides three options – Fetch users, Import users, Download template. Select any one option.

8. Now, mapping is successfully done. Click on the Validate button.

9. After permission validation, click on the Start Migration button to perform Office 365 tenant to tenant migration step by step.

Migration successfully completed, now login destination Office 365 tenant to access old tenant data.

Final Words

Office 365 migration between tenants can be pretty tedious work if we use the conventional manual approach. Not everyone has enough technical knowledge to execute PowerShell scripts to perform the same. However, it can become an easy task, if we use the right approach for it.

Hence, understanding the challenges faced by users, we have come up with a smart solution to perform data migration easily in Office 365. Using the above-mentioned tool, one can easily perform tenant to tenant migration step by step in Office 365, with 100% data security and integrity throughout the process.


Can this software export the user’s Office 365 account to another O365 domain?
Yes, this utility is capable of migrating data from the user account to another Office 365 domain easily.

Does this software provide any date filter for selective email data migration?
Yes, this software comes with various smart filters for email, contacts, calendars, and Tasks. Which allows users to migrate selective data between the Office 365 tenants.

Can we transfer Office 365 user’s account data based on priority between Office 365 tenants?
Yes, this amazing software allows users to perform priority-based migration.