How to Migrate from Zimbra to Office 365?

Know Simplified Steps to Migrate from Zimbra to Office 365 with Emails & Attachments

Are you currently a Zimbra user but due to official circumstances, need to migrate into Office 365 environment? Wondering how to migrate from Zimbra to Office 365 with all the data items securely? Looking for a simplified and advanced solution for the same? Not to worry because in the segment you will come across a solution that will directly migrate Zimbra to Office 365 with 100% accurate results.

What is Zimbra & Office 365?

Zimbra is a widely used budget-friendly online email service that many small or medium organizations make use of to manage their daily emails. But with time it has become outdated and replaced with more advanced online services like Office 365. Zimbra however has stopped upgrading its features which is why many businesses have to seek a different platform to manage the database of their numerous users.

Office 365 is a Microsoft subscription-based cloud application which possesses productive and collaborative tools to help businesses becoming organized, productive, and connected. Include features such as Office Suite, Communication and Collaboration, Cloud Storage, Mobile Access, and Security and Compliance for better experience. Also, the wide range of tools help businesses improving their efficiency and performance.

Why Users are Liking Office 365 More?

Microsoft Office 365 basically deliver some important components that fulfil the productivity requirements of different users -

  • Includes familiar applications with latest versions for seamless collaboration and communication such as Teams, PowerPoint, Excel, Spreadsheet, Outlook, and more.
  • Integration with OneDrive offers 1 TB of storage space to users that helps them in synchronizing and sharing essential files across different devices.
  • Offers top-class security options to safeguard data stored online such as advanced threat detection, multi-factor authentication, and data loss prevention.
  • The service is subscription-based. Each subscription has different functionality levels. Users can choose the necessary subscription and move ahead with the features that they currently required.

How to Migrate from Zimbra to Office 365?

The easy and simple procedure to migrate from Zimbra to Office 365 is CubexSoft Zimbra to Office 365 Migration Tool. With the help of the application, users can directly migrate Zimbra email server emails to Office 365 account with attachments in few seconds. The GUI of the tool is user-friendly that makes the migration process easier for professional and novice users.

Moreover, the application offers many features which can be used to migrate from Zimbra to Office 365 according to specific requirements. A user can use the free demo version of the tool to analyse the complete migration process for free.

Working Steps to Migrate from Zimbra to Office 365

Step 1. Download, launch, and open Zimbra to Office 365 Tool on the system.

Step 2. Choose the second option “Zimbra Cloud Hosted Mailboxes” and click Next.

home screen

Step 3. Add Zimbra Email Server credentials with IMAP Host & Port Number.

select email source

Step 4. Select Use Batch Mode option if you have multiple Zimbra users to migrate.

select email source

Step 5. Select Use Proxy Server option to implement the migration using a more secure server.

select email source

Step 6. If Use Batch Mode is selected, then clicking the login button will take you to a next software window. Here, click on the Add CSV button and add a CSV file containing multiple Zimbra users account details.

click add csv

Step 7. The tool will then immediately display the entire list on the screen. Verify the same and click Next.

select email accounts

Step 8. If Use Proxy Server option is selected, then clicking the login button will open another software screen. Here, add necessary Proxy Server details and tap Next button.

select email source

Step 9. Now, the application will show Zimbra users mailboxes on the left.

select email source

Step 10. On the right, click on the Select Saving Options and select Office 365.

select email source

Step 11. Add Office 365 email address, click I am Admin if you are entering admin account details.

ofice 365 options

Step 12. Go to Filters tab if you want to apply filters such as date, month, subject, etc. to migrate selected Zimbra mailboxes to Office 365.

advanced filters

Step 13. Navigate back to Backup section and click Backup button.

Step 14. The backup will take few seconds and after this “Conversion Completed Successfully” notification will appear immediately on the screen.

Click on OK and login to Office 365 account to check the resultant files. There will be no alteration the email files. Each and every email has correct content, formatting properties, and layout. So, any user can utilize the app without any doubts and perform the process with precise results.


In the article, we have gone through a unique approach to fix “how to migrate from Zimbra to Office 365”. CubexSoft Zimbra Converter is a powerful solution that seamlessly performs the migration and makes sure to deliver accurate results in a short time. It has many features that are useful in migrating Zimbra to Office 365 as per specific requirements. And the most important thing is, the solution not only migrate Zimbra mailboxes to Office 365 but also offers many other saving options in which users can migrate their Zimbra emails and attachments. Download free demo version to understand the complete process for free. It also allows to migrate first 25 Zimbra emails to Office 365 free of cost.


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