Shortest Way to Migrate Zimbra Mail to Office 365

Are you looking for a solution to migrate Zimbra mail to Office 365? If yes, then follow the systematic process of Zimbra to Office 365 Migration Tool and migrate Zimbra mail, calendar, contacts, briefcase, and other items to Office 365 environment.

Zimbra and Office 365 are the most used email applications these days. They are known to manage and share data between users. These programs allow storing data on a local machine and just require a connection with a server to exchange files.

But, several users now want to move their desktop database to the cloud due to ease of access and safety measures. Therefore, experts have announced direct migration software i.e. Zimbra Migrator with the help of which users can batch migrate Zimbra mail to Office 365 at one time with a calendar, address book, briefcase, and more.

Why to choose CubexSoft Zimbra to Office 365 Migration Tool?

CubexSoft Zimbra to Office 365 Migration Tool is a great migrator for migrating Zimbra mailboxes to Office 365 in a bulk with attachments including other folder items. The software is programmed with simple and hassle-free working GUI so that all types of technical and non-technical can instantly access its steps and migrate Zimbra mail to Office 365 without taking help from IT expertise.

Follow the step-by-step process and check how to migrate Zimbra mail to Office 365 with the Zimbra Converter utility:-

Download, install, launch and open Zimbra to Office 365 Migration Tool on Windows system and choose the first option.

Go to Add File(s) button. Use Add Files if you want to add critical TGZ files on the app. Take help of Add Folders to add the entire folder on the tool that is containing unlimited TGZ files. Or utilize Add Extracted TGZ Files option if you have already extracted TGZ folders that you want to migration into Office 365.

Now, the tool will start to scan and analyse TGZ file items to display the same on the left software window.

Click on the desired loaded folder, and software start listing its files. One can click on the required file and check its data in Preview window before starting the migration process.

Hit the Export button and choose Office 365 option. However, you can choose the I am Admin option if you have an administrator account with Office 365.

Tool will open Microsoft Sign-in screen and allow users to enter their password in the same. Click OK when done.  Simultaneously, apply the sub-options as per your requirements and hit Connect.

Quick Note- If admin account details are provided then the tool will open the Mailbox Mapping window when you click the Connect button. However, here, you can use the option of Import CSV and upload a CSV file containing multiple Office 365 admin account users. You can use the option if you want to migrate Zimbra TGZ files into different accounts added in Office 365 admin profile. After this, you can click Convert and start the process.

Now, check the current progress of TGZ to Office 365 migration as shown below –

The entire process will successfully end with the message “Process Completed Successfully”. Click OK to stop the process.

You can now go to your Office 365 account and check all your resultant files. Also, you can verify their originality and data integrity. However, the tool assures quick and accurate migration. Still, if you find any issue, then you can contact CubexSoft support right away.

By executing these mentioned steps, one can directly migrate Zimbra folders to Exchange Online accounts without data alteration. Even the main components will remain in accurate way. Now, let us just discuss the things that make the tool preferable.

Features of Zimbra to Office 365 Utility

Direct Zimbra Desktop to Cloud Migration

Zimbra to Office 365 utility is a proficient application for users who need direct Zimbra mailbox migration to Office 365 environment. After selecting Office 365 as a saving option, users need to provide the related account details and software will start moving the Zimbra mails to Office 365 account. This eliminates the need of Network Upload and Drive Shipping Method to import PST files to O365.

Complete Zimbra to Microsoft 365 Migration

Zimbra mailbox includes many folder items in a single TGZ file i.e. email items, contacts, briefcase, calendars, distribution list, notification mount point, tasks and many more. If a user decides to migrate Zimbra mail with other mailbox items, then it can also be performed by using Zimbra Migrator. Every folder contains checkboxes that can be selected and deselected according to need with the help of which user can move the desired folders to Office 365 account.

Move Multiple Zimbra Mailboxes to O365

The software has the capability of migrating multiple Zimbra user account mailboxes to O365 account at one time. For using the option, save extracted TGZ files in a single folder and choose Add Folder option to load all the contained folders on the software pane. The option enable users to migrate multiple Zimbra folders to O365 account at once in batch.

Advance Preview Option is also available

By using Zimbra to Office 365 utility, a user can view the data of necessary files before migrating them into Microsoft 365 account. However, after loading all the TGZ folders, you can click on its one of the items and then its files will start to list on the tool. Click on the required file and its data will instantly appear on Preview screen.

Maintains Data Integrity during the Migration

The application keeps the converted data with accurate details without corruption or data loss. The tool keeps the data integrity of Zimbra mail intact and delivers accurate Zimbra mailbox migration to Office 365 with address book, calendar, contacts etc.


Zimbra Converter or Zimbra to Office 365 Utility is designed with free demo edition that is available to analyse and experience the software functionality with features. The free demo of the tool allows to migrate first 20 files from each folder to Office 365 account free of cost. You can use the trial edition to test the process of Zimbra to PST, PDF, MSG, EML, MBOX, MHT, HTML, IMAP, Gmail, and many other 15+ saving options.