How to Migrate Shared Mailbox to Office 365? Top Methods

A shift from older on-premises Exchange versions to Office 365 requires all the shared mailboxes to migrate. But the question is, how do we begin to migrate Shared mailbox to Office 365? This blog provides multiple ways to perform this migration. While the shared mailboxes are designed to support departmental workflows, users often run into issues seeking reliable solutions. Now, let’s begin the blog by first understanding the need for this migration.

Need to Move Shared Mailbox to Office 365

There are several reasons why moving shared mailboxes to Office 365 becomes essential. A few of them are listed below:

• Users wish to move to Office 365 for a more modernised and cloud-based infrastructure. Office 365 provides better scalability and reliability.
• For IT teams, to eliminate the complex on-premise server settings, they chose to migrate to shared mailboxes to O365.
• After migrating to Office 365, shared mailboxes offer better accessibility, whether in a hybrid or remote setting.
• With Office 365, users get enterprise-level security, data loss prevention, and smart auditing tools.
• Office 365 offers expandable storage limits with unlimited mailbox size. Hence, the users migrate to Microsoft Office 365.  

Easy Ways to Migrate Shared Mailbox to Office 365

The shared mailbox to Office 365 migration can be done in two ways. One is through a manual migration using Exchange Admin Centre. Another is a professional automated method using a tool. 

#1: By Using Exchange Admin Centre 

This method requires first converting the shared mailbox to a user mailbox. After that, migrate the emails using Exchange Admin Centre. 

Look at the following steps to migrate shared Mailbox from On Premise to Office 365:

1. Open Microsoft 365 Admin Centre and sign in with your Exchange admin.
2. On the left menu, click on Admin Centres > Exchange > Recipients > shared.
3. Now, select the shared mailbox and click on Convert to Regular Mailbox.
4. After that, click Yes. Then navigate to Users > Active Users > Select the converted mailbox > Assign license.
5. Again, go to Exchange Admin Centre> Migration > New Migration Batch.
6. Choose the migration type and start the migration process.

Limitations: It keeps all the email data intact. Also, this method is not a direct migration method. Moreover, migrating a shared mailbox having files larger than 50 GB needs a license. 

#2: Reliable Way to Migrate Shared Mailbox to Office 365 Account

The Cigati Office 365 Backup Tool offers a dependable and reliable solution to migrate shared mailboxes to an Office 365 account. This tool guarantees authentic migration to various email clients and file formats. Also, throughout the migration, it is ensured that every piece of data remains intact. With its advanced features, the tool provides filters for customised migration. One of the key features of this tool is its automatic duplicate email removal.

Advanced Features of Cigati Office 365 Backup Tool:

• Removes duplicate emails 
• Backup Office 365 emails in different formats
• Easily migrate emails to other popular email clients
• Selective migration with task and mail filter 
• Supports complete mailbox backup with no data loss
• Compatible with all versions of Windows systems
• Demo version available for migrating the first 50 emails for free

Simple steps to migrate a shared mailbox to Microsoft 365:

1. First, download and open the tool on your desktop/PC.
2. After that, click on Backup > Continue.
3. Then, select Modern Authentication and provide Client ID, Tenant ID, Secret Value, and Microsoft Azure Admin ID. 
4. Now, click Authenticate. Then, under Get Sub User, choose Add User Automatically.
5. Once the emails are loaded, expand the folder tree structure and choose the desired folders.
6. Next, pick Office 365 as the saving Email Client and apply the necessary filters.
7. Finally, click the Convert button.

Conclusion

The migration from the Shared Mailbox to the Office 365 mailbox is necessary for better storage and reliability. This blog has explained a manual method using Exchange Admin Centre. The manual steps to migrate shared mailbox to Office 365 become technical and complex and therefore, are not suitable for beginners. Whereas the professional Cigati Office 365 Backup Tool migrates faster and provides error-free results. This backup tool ensures that the migration is authentic, reliable, and easy to execute.

You May Also Read: How to Export Shared Mailbox to PST?

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