How to Migrate Zimbra Emails to Office 365 ?

Mark Regan ~ September 9th, 2021 ~ Move Data


In the past few years, there has been a drastic shift from Zimbra mail to Office 365 due to the better up-gradation features of Office 365. Although Zimbra is a robust email system, still many organizations find it too simplistic to fulfill their requirements. So, in this article, we will take you through some major steps involved to migrate Zimbra to Office 365 cloud. Keep reading to get a clear knowledge of how to do Zimbra mail server migration to Office 365. Get a direct solution to import Zimbra to Office 365 from BitRecover. 

Zimbra to Office 365 Migration Tool – Here’s All You Need to Know

Are you worried that your Zimbra mail has chunks of emails and now you intend to export Zimbra to Office 365? Don’t panic! One of our client from the US asked us a similar query and we suggested him Zimbra to Office 365 migration tool.

The Zimbra Converter Tool makes it easy to migrate Zimbra emails to Office 365 account.

Mr. Daniel: I bought a new plan of Office 365. I decided to move all my data to the cloud. However, there were some crucial emails on my Zimbra mailbox.  I wanted to import Zimbra to Office 365. So, I tried it manually but then, I found it lengthy as well as tricky. One more thing was, I was wanted to move multiple Zimbra mailboxes at once to Office 365 mailbox. Thus, I planned to find out some direct solution to batch migrate email from Zimbra to Office 365 account.

Our Expert: Hi, Daniel! You can use our Zimbra to Office 365 converter to transfer Zimbra TGZ to Office 365. It has the ability to migrate emails, contacts, calendars, tasks, briefcase, to-do list, etc.

Mr. Daniel: Thank you so much BitRecover team! After finding the zMigrator Wizard now I have successfully did Zimbra email migration to Office 365.

Just like the above case, you can also migrate emails from Zimbra to Office 365 with all associated email components in few seconds with the help of Zimbra to Office 365 migration tool.

Try the free demo version to evaluate the software’s features and thereafter, you can upgrade to the license version.

Download for Windows

How to Migrate Emails from Zimbra to Office 365: A Four-Step Solution

The process to migrate email from Zimbra to Office 365 can be summarized in four steps:

1. Archiving Zimbra Mailbox Contents

Read this solution of Zimbra to Office 365 Converter to import multiple emails of Zimbra mail to Office 365 account.

First, we need to extract data from the Zimbra mailbox to begin the process of data migration.

Follow the given steps to extract Zimbra TGZ data.

Step 1: Open Zimbra on your system. Go to the preference option.

preference option

Step 2: Select Import/Export option from left panel.

Import/Export option

Step3: From the export Window, choose data types, which are needed to be moved and click on the Export button.

choose data types

Step4: Select an option Save file to save data.

Save file

Step5: Select the preferred location to save an exported data on your machine.

Select preferred location

2. Using Zimbra to Office 365 Converter to Migrate Emails

Once you have the TGZ files, now follow the given steps of instructions:

Now download this software and follow the given steps.

Step 1: Choose the desired option to upload Zimbra files on Zimbra to Office 365 Converter panel.

1- Select Files

2- Select Folders

Step 2: Browse the data files from the stored location to upload on the tool’s panel. Enable the required files.

Step3: Select the saving option as Office 365 from the toolkit.


Step4: Enter the Office 365 email account credentials in the respective fields. If you want to change the language then, check an option change language.


Step 5: If you are an admin then, check the option “I am Admin”.

3. Setting up I am Admin Option

Open Microsoft Office 365 on your machine. Enter the credentials of your Office 365 mailbox.

Open Microsoft Office 365

Select “permissions” options after that select Hygiene Management. Now, click on “+” icon to add ApplicationImpersonation role.


Click on the ApplicationImpersonation and click on Add button >> click on OK.

click on Add button

Moving on click “+” icon for the addition of admin account users or members list.

admin account

Select member and click Add button >> click on Ok.

Select member

Click on Save button once the update is completed, you will get completion message.

Click on Save button

Add mailbox delegation usage for administrator after that click on Recipients.

mailbox delegation

Click on Mailbox Delegation and click on “+” icon for adding of Full usage to Administrator. Then, click on the Save button.

Go to the application’s panel again.

4. Trigger the Zimbra to Office 365 Migration

Step 6: Click on the Convert button to start migrating emails from Zimbra to Ofice 365. Once the migration is completed, you will get a message of completion on the screen.

Step 7: Open Office 365 account to view email messages from Zimbra mail.

What is the Specialty of Zimbra to Microsoft 365 Converter ?

Set of abilities marks Zimbra to Office 365 migration tool an exceptional software to execute data migration process.

Interactive GUI- The user-friendly interface of tool assurances to give users with easy migration procedure of data from Zimbra to O365 account.

Safe Application- In case you are apprehensive about the technical inputs then, you can be at comfort as the tool does not compromise on the technical end and offer all techniques needed to migrate Zimbra to Office 365.

Supports all Windows OS- Works effortlessly on all Windows OS platforms without any restrictions such as Windows 11, 10, 8.1, 8, 7, XP, Vista, etc.

Retains Email Elements- While you migrate Zimbra to OWA, the software will safeguard that data is safe and MetaData properties are preserved.

Independent Tool- No, external software is required for the implementation of the process from import Zimbra to 0ffice 365 account.

No Restrictions- Unlimited data can be moved from one mailbox to the cloud easily.

What Compels Users to Migrate Emails from Zimbra TGZ to Office 365 ?

Zimbra is a lightweight email application that is quite popular among small businesses. But, when business grows, then the needs become more complex and one can compromise in terms of work proficiency. Hence, many users ask BitRecover about how to migrate Zimbra to Office 365. We have analyzed the following reasons:

(1) Users find the GUI of Zimbra as outdated especially if they have used mail services which are more leading nowadays. Hence, emerges the need to do Zimbra to Office 365 migration.
(2) The filter and search options are not too flexible compared to other email services.
(3) Synchronization and account configuration issues of Zimbra mail make users migrate Zimbra mail to Office 365.

The Necessity of Zimbra to Microsoft Office 365 Migration

Proper management of data is necessary to take your enterprise to a next level. There are some certain things that give a strong urge to users to migrate Zimbra to Office 365.

(1) Office 365 (now Microsoft 365) is undoubtedly the BEST email service. The users can enjoy a wide range of useful features on a subscription basis.
(2) Everyone knows the benefits of using a cloud-based suite and Office 365 is one of the topmost email system on the scene.
(3) O365 offers a huge pool of security features like no other email service and also gives a consistent experience while users are accessing mails, address books, notes, documents, etc.
(4) Unlike the standalone applications available on the web, Office 365 is arguably a comprehensive suite of multiple applications as well as services tied together.

Frequently Asked Queries

How to Migrate Zimbra Mail to Office 365 ?

  1. Open Zimbra mails Export desired emails.
  2. Launch Zimbra to Office 365 migration tool and add files/ folders.
  3. Check desired Zimbra TGZ files and select Office 365 saving option.
  4. Enter credentials of Office 365 account for migration.
  5. Hit on convert to start to migrate Zimbra to Office 365.

Q2: What are some benefits of doing Zimbra to Office 365 migration?

#1 With the Zimbra email client, you need to configure an account, however, Microsoft 35 gives inbuild account facilities.

#2 Office 365 is best for enterprise level platform that helps users to manage an account database easily.

#3 By doing Zimbra to Office 365 migration, you can enjoy various benefits of Office 365 – calendar management, easy document storage, efficient management of documents, strong video support, real-time notifications as well as updates, etc.

#4 You can enjoy multiple applications on a single platform with Office 365 such as OneDrive, Dropbox, Outlook, LeadMaster, etc.

#5 It is a trustworthy email application of Microsoft INC which offers encryption of sensitive data at rest and Http for every page as well as platforms.

Q3: Can I use Zimbra to Office 365 converter on Windows 10 platform?

Yes, this application is supported on all Windows OS including Windows10 to migrate email from Zimbra to Office 365.

Over to You

Testing and executing the aforementioned steps creates easy to move all emails, contacts, calendars, briefcases, etc. from Zimbra to MS Office 365. Even, Zimbra to Office 365 migration tool comes up with a demo edition for testing software before purchasing. After using the tool, I got it a worthy tool to execute Zimbra to Office 365 migration.

To understand how the software works, we suggest you first take a free trial of the DEMO VERSION. It is available free of cost and gives you the facility to convert 25 items from the Zimbra folder to supported format. For doing unlimited Zimbra mail server migration to Office 365, quickly purchase the license keys.