Migrate Microsoft 365 Tenant to Tenant – Step-by-Step Guide

In today’s technically driven businesses, company acquisition and merging are common things. It also leads to data management according to company decisions. While managing the email data and email servers, Office 365 using companies needs tenant migration or Office 365 to PST backup-like tasks. If you are also in a situation where it is a must to migrate Office 365 tenant to tenant for any reason, this blog has an effortless solution for you.

Read this write-up till the end and complete the mailbox migration from one tenant to another. Moreover, you will learn to export mailbox data to multiple file formats and email servers/clients.

Learn more about our Professional Regain IMAP to IMAP Migration tool

What Is Microsoft 365 Tenant-to-Tenant Migration?

Microsoft 365 tenant-to-tenant migration is the process of moving users, mailbox data, files, and other supported workloads from one Microsoft 365 organization (tenant) to another. Organizations commonly perform tenant migrations after mergers, acquisitions, divestitures, rebranding, organizational restructuring, or tenant consolidation. Microsoft provides separate migration capabilities for Exchange Online, OneDrive, and SharePoint, while larger multi-workload projects may require coordinated migration planning.

Why Do Organizations Migrate Between Microsoft 365 Tenants?

• Merging/Acquisitions/ Organizational Restructuring: It is not easy to manage many Office 365 tenants, so the companies want to bring all the Office 365 tenants together.It is easy to manage and also saves money. Merging and data migration are required for business requirements.
• For New Brand or Domain: For some reason, if a company changes its brand or changes its domain name, it can migrate all its Office 365 services to a new Tenant. Mailbox migration is an essential task for managing the mailbox data.
• Cost Savings Measures: Storage management directly impacts the cost of managing the data. Sometimes, companies want to better manage resources by migrating to a new tenant.It helps with licensing, service usage, and cost savings. Discontinuing a mailbox/tenant after mailbox migration is a common thing.
• For Better Security: Migrating to the new tenant allows companies to take advantage of improved security setup, compliance tools, and administrative features that better suit their needs. Sometimes, companies face performance issues with the old tenant, or the setup does not match the user’s needs. In such a case, migrating to a new tenant can improve performance and user experience.

Workarounds to Migrate Office 365 Tenant to Tenant:

Migration from one Office 365 Tenant to another Tenant is a long and complicated process. Hence, today, we will tell you how to migrate your Microsoft 365 Tenant to another Tenant in a simple way.

1) Pre Migration Tasks

• First, evaluate your current tenant environment; along with this, understand the scope of migration, including user accounts, mailboxes, and related permissions.
• Now, create a new tenant and configure it by setting the required license. Moreover, keep Admin credentials for both source and target.
• Now, find the best migration method that fits your requirements to easily migrate your Office 365 tenant to another tenant.
• Must run the TTL (time to live) test before running the actual migration. It includes changing the MX record for the primary domain.It will help you to learn the time taken by the MX Records in getting updated.

2) Mailbox Migration

• You need to migrate users’ accounts, including their settings, licenses, and permissions. Move Data from the source to the target tenant and migrate security groups, distribution groups, and any shared resources.
• Now, ensure that applications and integrations that depend on Office 365 data are correctly configured for the new tenant.
• Change the MX record to stop the inbound email flow once all is set.

Export Microsoft 365 Mailbox Data with Regain Office 365 Export Tool

When you need an independent copy of Microsoft 365 mailbox data before or during a tenant-to-tenant migration, the Regain Office 365 Export Tool can export mailbox data to supported file formats and email platforms. It can help administrators preserve important mailbox data before making major migration or tenant changes.
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• Regain Office 365 Exporter is advanced utility to process multiple Office 365 mailboxes of any size.
• It can migrate Office 365 mailbox data to multiple email clients/servers.
• Moreover, it permits backup in Outlook supporting PST file format, EML, MSG, and MBOX-like file formats.
• You can easily make a selection for the Primary Mailbox, Public folder, and Archive Mailbox.
• It maintains proper folder hierarchy and facilitates folder selection for processing.
• 24*7 free technical support is also available with the Regain Office 365 Backup Tool.
• Install the software for free and have a demo of this professional utility.

3) Post Migration Tasks

• Now, crosscheck whether your user account integrations are working properly or not.
• You can eradicate or clean your old tenant data that are no longer needed in the source tenant to manage storage cost.
• Interconnect with users about the completion of migration and changes and provide them with necessary training and information.
• Check a trial by sending/receiving emails; don’t forget to check permissions decided by the admin for various roles.

Why Export Microsoft 365 Mailbox Data Before Migration?

A tenant-to-tenant migration is a major administrative change. Keeping an independent copy of important mailbox data can provide an additional recovery option if you encounter unexpected migration issues or need to retain data separately.

The Regain Office 365 Exporter Software can be used to export selected Microsoft 365 mailbox data to supported formats such as PST, EML, MSG, MBOX and EMLX.

Video Tutorial of Office 365 Export Tool Using Regain Software – Watch Now!

Gist of the Blog:

Office 365 Tenant-to-Tenant migration is a widely done task in businesses. Reasons may differ for each organization behind the mailbox migration. Regain Office 365 Migration Tool is a one-stop solution for migrating mailbox data effortlessly. Moreover, it is easy to use and makes your migration task just a matter of a few clicks. To test and run a demo of this migration utility, just install, launch, and migrate Office 365 tenant to tenant.

Frequently Asked Questions:

Q1. What is Microsoft 365 tenant-to-tenant migration?

A. Microsoft 365 tenant-to-tenant migration involves moving users, mailbox data, files, and other supported workloads from one Microsoft 365 tenant to another. It is commonly used during mergers, acquisitions, restructuring, and tenant consolidation. The Regain Office 365 Export Tool can help export mailbox data during this process.

Q2. Can I migrate Microsoft 365 mailboxes between tenants?

A. Yes. Microsoft provides native cross-tenant mailbox migration for Exchange Online. You can also use the Regain Office 365 Exporter for supported Microsoft 365 mailbox export and migration scenarios.

Q3. What mailbox data can be migrated?

A. Supported mailbox content includes emails, contacts, calendars, tasks, and notes. The Regain Office 365 Exporter Tool can also export Microsoft 365 mailbox data to supported formats such as PST, EML, MSG, MBOX, and EMLX. It can migrate mailbox to various email platforms as well such as Gmail, Zoho, Amazon WorkMail, GoDaddy and all IMAP supported Email Clients.

Q4. Do I need a license for cross-tenant migration?

A. Yes. Microsoft requires a Cross Tenant User Data Migration license for supported cross-tenant mailbox and OneDrive migrations. The Regain Software can be used separately when you need to export mailbox data.

Q5. Can I migrate OneDrive and SharePoint between tenants?

A. Yes. Microsoft provides separate migration processes for OneDrive and SharePoint. The Regain Office 365 Export Tool is primarily intended for mailbox data export and supported mailbox migration scenarios.

Q6. Should I back up Microsoft 365 mailboxes before migration?

A. Yes. Keeping an independent copy of important mailbox data can provide an additional recovery option. The Regain Office 365 Mailbox Migration can export Microsoft 365 mailbox data to supported formats before migration.

Q7. Can I selectively export mailbox data?

A. Yes. The Regain Office 365 Export Tool allows administrators to select required mailbox data and folders for export before or during a tenant migration.