How to Move Mailbox from On-Premise to Microsoft 365 Easily

Reasons to Migrate Mailbox from On-Premise to Microsoft 365

The process to move the mailbox from on-premises to Microsoft 365 is an effective way to reduce infrastructure costs & enhance email security. Other reasons include:

• It eliminates the need for expensive on-premise server maintenance.
• You can access your emails from anywhere with cloud-based mobility.
• Moreover, it provides advanced security features with threat protection.
• Users can benefit from automatic updates without downtime.
• Additionally, the collaboration is improved with integrated applications. 
• Also, it ensures business continuity with disaster recovery solutions.

Things to Do For Pre-Migration Planning

Before you migrate the Exchange server to Microsoft 365, it is essential to properly plan the migration to achieve accuracy. The key planning steps include:

• Evaluate your Exchange Server version & verify hybrid deployment requirements.
• Moreover, make sure that your domain is verified in Microsoft 365.
• Also, you can schedule the migration during off-peak hours to minimize impact.
• Create complete backups of all mailboxes before migration.

How to Move Mailbox to Microsoft 365?

In this section, you will find the best possible methods to migrate or transfer your on-premise mailbox data to Microsoft 365. Follow the entire blog to do so.

• Transfer Mailbox Data from Legacy to Cloud

• Quick Solution for Migration

Approach 01: Guide to Transfer Mailbox Data from Legacy to Cloud

The hybrid migration method provides an effective integration between on-premise Exchange and Microsoft 365. This approach maintains both on-premise & cloud mailboxes during transition. After configuring the hybrid environment, you can move mailboxes remotely while users continue working. Now, follow the Microsoft 365 email migration steps given below. 

Steps to Move On-Premise Mailbox to Cloud:

1. To initiate, install the latest cumulative update for Exchange Server.
2. After that, download & launch the Hybrid Configuration Wizard from M365.
3. Now, enter the required credentials for on-premise & Microsoft 365 admin accounts.
4. The wizard will create a migration endpoint for mailbox moves.
5. Thereafter, set up the directory synchronization using Azure AD Connect.
6. Next, move to the Exchange Admin Center >> Migration >> New batch.
7. After that, select “Remote move migration” for transferring mailboxes.
8. At last, add mailboxes & start to migrate data in batches.

Important Note: Hybrid Migration supports minimal user disruption because mailbox data is synchronized before the final cutover. Administrators can schedule the completion phase during non-business hours to minimize user impact.

Approach 02: Advanced Solution to Move Mailbox to Microsoft 365

The Aryson Office 365 Backup & Restore Tool is a reliable solution for enterprises and IT admins who need to move on-premise data to M365 efficiently. You can use this software to migrate large datasets with complete accuracy & minimal effort. Moreover, it provides users with flexibility and allows them to apply filters & select specific folders. Additionally, users can securely log in to their source and target accounts with the help of modern OAuth 2.0 or the impersonation method. This makes the software suitable for organizations that prefer to opt for an efficient transfer to the cloud with minimal downtime.

Steps to Move Mailbox from On-Premise to Microsoft 365:

1. Download and run the Aryson Office 365 Backup & Restore Tool.
2. Click Backup and Continue to proceed further.
3. Choose an authentication method and enter Office 365 credentials to log in.
4. Toggle on the Primary Mailbox radio button & select the user ID required.
5. Expand the folder hierarchy and select the required on-premise data to migrate.
6. Select Office 365 under the Save/Migrate/Backup As drop-down list and log in to it.
7. Apply the required filters as per your requirement and click Next.

Advantages of Opting For the Aryson Microsoft 365 Migration Tool

• It makes the migration process faster & easier to manage.
• Users can migrate without complex hybrid configurations.
• You can even convert a User Mailbox to a Shared Mailbox.
• It supports bulk mailbox migration, saving considerable time.
• The interface is intuitive without requiring advanced skills.
• It maintains data integrity while transferring emails.
• Users get filtering options to customize the migration scope.

End Note

In this article, we discussed some of the most reliable ways to move mailbox to Microsoft 365. You can go for the manual hybrid method or opt for the above automated software based on your expertise & mailbox count. The manual approach works for organizations with IT resources. While the professional tool makes the process easier for large-scale migrations. Once you choose the right method, the migration process becomes simple and efficient. Also, if you face any issues, you can reach out to the support team for help.

Frequently Asked Questions

About The Author:

Rohan Wiese

Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.