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Zimbra to Office 365 Migration – A Flawless Transition

Rohit Dixit | Modified: November 5th, 2024 | Migration | 7 Minutes Reading

Overview: There has been a rigorous transfer emails from Zimbra to Microsoft 365 by the users because of the features upgradations and several other factors. No doubt, Zimbra Mail is a resilient email application but, MS Office 365 is now the preferred choice of many users. O365 has advanced attributes that attract users the most. That being the case users prefer for the Zimbra to Office 365 migration for an IMAP account.

To do this migration procedure, a number of users face problems. So to clear all your doubts, we have introduced advanced software that will assist you in all aspects of performing the task.

Before directly Jumping to the Solution. First have a Quick Glance at Zimbra vs Office 365 / Microsoft 365

Zimbra Mail is a well-known platform for cloud products email servers and web client applications worldwide. It is a full-featured collaboration suite that supports emails and group calendars.

Microsoft Office 365 also known as O365 / M365 / Microsoft 365 is the latest computer and web-enabled suite of Office apps, emails, OneDrive, and related services.

Beyond any doubt, both applications have no comparison. Zimbra is as helpful as O365. Both applications are accessible from anywhere.

However, Zimbra lacks the level of functionality, integration, flexibility, and wide range of capabilities, and these features are provided by Microsoft 365 / Office 365. Moreover, MS Office applications like MS Excel, MS Word, OneNote, PowerPoint, and many more are also accessible. So after understanding Zimbra vs Office 365, let’s move to the migration process step by step.

5 Quick Steps to Perform Zimbra to Office 365 Migration

  • Step 1. Download and Run the tool.
  • Step 2. Choose Source (IMAP) and Destination (O365).
  • Step 3. Select the Emails option and filter them based on the Date.
  • Step 4. Provide the details of both accounts.
  • Step 5. Add Users and Start the Migration process.

Pre-Migration Steps to Migrate Zimbra Mail to Office 365

Migration of data is, however, a complex task unless users have performed it before in advance.
Follow the pre-migration steps to prevent yourself from any risk.

  • Admin details of both Zimbra Mail and Microsoft 365 accounts.
  • List out all the mailboxes that will be going to migrate along with the attachments.
  • Do not forget to create a backup of all the mailboxes at source. 
  • Before starting the migration process, make sure that you have informed the users.
  • Create all the user mailboxes in the Microsoft 365 account and also assign licenses to them. 
  • Make sure you are connected to a stable Internet connection.
  • Also, perform a test migration before the actual migration.

Professional Way to Perform Zimbra to Office 365 Migration

Microsoft 365 experts recommend you use the IMAP to Office 365 Migration Tool for Zimbra to Microsoft 365 migration. This software is developed by experienced IT technicians after deeply studying all the challenges that users face.

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If the user’s Zimbra mail is configured with IMAP Protocol, you can easily migrate Zimbra mail to Office 365 with all the attachments in very little time.

The software has multiple attributes which helps in filtering the migration process. So, any of you can perform migration from Zimbra to Office 365.

Enticing Features of the Standalone Software

  1. Provides a Date filter feature and also the Delta Migration option for a fast migration operation of new Zimbra mail emails only.
  2. Supports the migration of multiple Zimbra Mail accounts due to the Concurrent Migration Feature on both Windows and Mac systems.
  3. Able to perform a bulk Zimbra to Office 365 migration including all files with attachments for all users.
  4. The software is fully compatible with all the latest versions of Windows OS and Mac OS.
  5. Users can also set priority for accounts to transfer them prior to others.

Migrate Zimbra Mail to Office 365 on Windows Desktop Step By Step

Step by step guide to the top-notch software is explained in the below segment. Download IMAP to Office 365 Migration Tool and follow these simple & instant steps to get the results in an appropriate manner-

  • Before all else, choose Source as IMAP and Destination as Office 365 for the migration

zimbra mail to office 365

  • Then, tap on the Emails checkbox and apply the date filter for specific Zimbra to Office 365 migration

date filter

  • Choose the source IMAP server from the list, provide details, and validate permissions for the Zimbra Mail account

source platform selection

  • Following this, enter the Microsoft 365 / Office 365 destination platform’s admin credentials and validate permissions

destination validation

  • Subsequently, add users using the available options such as Import users and Download template

add users

  • In the end, provide the source app password and then again validate >> Start Migration

start zimbra mail to office 365 migration

How to Zimbra to Office 365 Migration on Mac?

Download the suggested utility first on the Mac computer, and follow the below guide to know the working-

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  • After installation of this Mac-based utility just go through with the given prerequisites, click Continue

download and install software

  • In this step, source account should be chosen, for that tap the Other option, enter the user name & password of Zimbra Mail, and Validate

choose source account

  • Following this, select the destination as Office 365 option and authenticate the credentials similarly

choose o365

  • Here, either apply Date Filter to transfer emails from Zimbra Mail of a particular date range or just select any folder

Zimbra to microsoft 365 migration

  • To finish this task, tap on the Start Migration button for Zimbra to Microsoft 365 migration on Mac.

Zimbra to Office 365 migration

Migrate Zimbra Mail to Office 365 Migration Manually

  • Firstly, Launch the Zimbra desktop client and move to Preferences.
  • Select the Import/Export option from the left pane.
  • After that, choose All Folders and select data then OK.
  • Now, click the Export button to start the process.
  • Browse the Destination location to save the resulting file.
  • Now unzip the resulting data using the WinRAR.
  • Ensure the EML file extension is in the EML format.

After getting the EML file, you just need to add that file to the Office 365 account. 

Prerequisite:- Make sure that you have logged in the Office 365 account.

  • Log in to your Outlook and move to the Folder tab.
  • Click on the New Folder option, and assign it a name.
  • Finally, drag and drop all the resulting EML emails into the newly created folder.

You can migrate Zimbra mail to Office 365 by using this method. However, this process is time-consuming and requires a lot of technicalities as well. Additionally, it does not provide any surety that the data will be successfully migrated to the Office 365 account. 

Wrap Up

Through this write-up, we have solved the Mac & Windows-based user’s query for Zimbra to Office 365 migration. Here, we have explained the manual and professional solutions that can resolve all the queries of the users regarding the migration procedure. The professional tool has all the relevant features that a user might use, to get a free demo version.

Frequently Asked Questions

Q1. What data I can migrate from my Zimbra mails to Office 365 account?

A – You can migrate all the emails from your Zimbra account to the destination Office 365 account.

Q2. What should I do before initiating the migration process?

A – Before going to execute the actual migration process. You should:-

  1. Ensure you have admin rights for both source & destination accounts.
  2. Backup of Zimbra emails.
  3. Created users in Office 365 account.
  4. Perform a test migration.

Q3. Is there any option to perform the selective email migration?

A – Yes, you can use the above-mentioned tool’s Date filter option to filter out the emails easily.

Q4. Do I need to take extra steps for data security during the Zimbra to Office 365 migration?

A – No, you do not need to worry about data security during migration. This is a robust and secure tool.