Zimbra to Office 365 Tool

Migrate Data from Zimbra to Office 365 Mailboxes

  • Export Zimbra mailboxes - exported from TGZ to Office 365 On-premise account.
  • Capable to migrate / move all mailbox items such as emails, contacts, calendars, tasks, notes etc from Zimbra.
  • Exports Zimbra data to both User & Admin Office 365 accounts.
  • Supports batch conversion of multiple Zimbra Accounts to Office 365 Accounts.
  • Offers preview of TGZ files and its email items before conversion.
  • Option to save Zimbra TGZ to separate Office 365 mailboxes in single session.
  • Provides mapping of user accounts from a Zimbra user to their respective Office 365 accounts.
  • Filters Zimbra data by Date while saving them onto Office 365 Accounts.
  • Supported Plans: Office 365 Enterprise, Office 365 Business Premium, Office 365 Business Essentials and many more...
  • Opt Close Files option to remove the inserted TGZ file/folder.
  • Demo version available, migrates upto 25 emails and other items only from every folder.

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Which Data Components Extracted From Zimbra with TGZ to Office 365 Migration Tool?


Email Messages

The Tool exports all email messages along with complete meta-data properties. In fact, the read or unread status is also maintained.

Mail Attachments

Any email attachment i.e. documents, images and files will be migrated.

Category & Priority

Tool keep Category & Priority remain same after the export process.

Mail Folder

All the email folder structure look same as original even after uploading on to Office 365 account.

Date Filter

Using software, it is easy to export emails to office 365 within a specified timeline.



Recurring Appointment Series and Appointments are exported along with Start Date, End Date, Subject, Location, Category during Zimbra Mail to Office 365 export process.

Calendars & Appointments

Files or Documents, Cloud attachments like OneDrive link are uploaded with their respective event or appointment to Office 365 destination.

Calendar Attachments

Possible to save appointment reminder settings.


Possible to save appointment reminder settings.


Export Zimbra Tasks with complete details like Due Date, Start Date, End Date, Priority, Reminder, % Complete, Reminder.

Task File Attachments

Any type of document or file attached in Task.



Email address, Mobile number, Work address, Home Address, Location associated with a single contact are extracted.

Features of Zimbra TGZ to Office 365 Tool

Export Zimbra Contacts, Calendar, Tasks & Archive Mailbox Emails to Office 365 Cloud

Ideal desktop to cloud migration solution

Zimbra to Office 365 Converter is an ideal solution for users who want direct migration of their tgz files to Office 365 cloud account. After opting Office 365 as the output option, users just have to provide their O365 credentials and the software will automatically move entire data from selected TGZ files to O365 webmail account, thus eliminating the need for network uploading or drive shipping of PST files.

Move Entire Zimbra Data to O365 Cloud

A Zimbra mailbox consists of entire email items, calendars data, contacts information including distribution lists, briefcase, tasks and other related items of a particular user account. When a user decides to move his/her Zimbra data to O365, he/she wants the entire Zimbra data to be imported in cloud. The software maintains this feature and efficiently converts all Zimbra emails, address book, calendars and all other items into Office 365 account, with all accurate details.

Batch Transfer Zimbra user profiles to Office 365

The TGZ to Office 365 Tool is capable of converting unlimited Zimbra user mailboxes to Office 365 account at once. For using this option, just save all the extracted Zimbra TGZ files in a single folder and use Add Folder option to load all of them on the software panel and move to O365 database at once, in batch mode.

Preview your data before final conversion

The Tool is designed in such a way that it has the capability of showing preview of the loaded Zimbra TGZ files in its preview window. This makes it easy for users to crosscheck their data before starting the actual conversion process and get desired results.

No Need for TGZ Extraction Required

With this tool, there is no need for extracting folders from TGZ files as the software provides direct conversion of TGZ files to Office 365 OWA.

Convert Extracted TGZ Folders too

Zimbra Mail to Office 365 Converter is now updated to add and convert extracted TGZ folders data. This option is useful when you have extracted Zimbra TGZ folders and need to convert them to O365 account.

Maintains Complete Data Integrity

During the entire conversion process of Zimbra to Office 365, the software maintains that the entire data is converted with exact details and no data loss or corruption issues occur at all. The tool keeps the data integrity intact and provides assured conversion of Zimbra emails, address book, calendars etc. to Outlook for Web App.

No need for Zimbra Installation

Don’t have Zimbra installed in your system and still want to move its data to Office 365? Don’t worry, TGZ to Office 365 Migration Tool will help you out as it is complete independent utility. And never need Zimbra installation for this process. Moreover, you can convert TGZ files extracted from all Zimbra Desktop editions (7.3, 7.2, 7.1, 7.0 etc.), Webmail and Zimbra Server (8.7, 8.6, 8.5 etc.) to Office 365.

Migrate Zimbra Folder to Outlook.com/Hot Mail

The Zimbra to Office 365 Tool facilitate “I am not an Admin option” for users that supports to directly perform batch export to Office 365, Live.com, Outlook Web App, Outlook.com. All you need to fill the right credentials in the particular boxes and after adding the details, this software will instantly transfer TGZ to O365 cloud account.

Save Complete Conversion Report in TXT

After finishing the Zimbra TGZ to Office 365 conversion procedure, the software will open the entire report of conversion. You save this in .txt file format that includes complete details such as User Name, Item Count and so on.

Supports all Windows (32bit and 64bit) OS family

The migration Tool is designed to work on all Windows platforms and thus can be downloaded and installed on any machine having Windows (32bit and 64bit) OS – 10, 8.1, 8, 7, Vista etc.

Why Folks Prefer Zimbra to Office 365 Over Manual Solution?

Migrating from Zimbra to Office 365 needs a lot of planning as without it there are increased chances of data loss that no wants to suffer. Both Zimbra and Office 365 are server applications and are widely used as a single hub for managing and sharing data between users. Using TGZ to Office 365 Tool, users can easily perform this task with ease. Before understanding the software working process, let's explore more about Zimbra, Office 365 and reasons for migrating data

Major Reasons For Zimbra TGZ To Office 365 Conversion

There are many reasons which forces users to convert Zimbra mail and move data to Office 365. One of the main reason for this is Zimbra's slow synchronization process. Other main reasons for migration of Zimbra data

  • User account configuration is must for using Zimbra
  • Zimbra's slow responsive rate is another major concern for users
  • Due to its slow synchronization, Zimbra is not suitable for Business environment, as compared to Office 365.
  • Office 365 many benefits and services as compared to Zimbra, check out few of its benefits below.

Benefits of Moving on to Office 365 from Zimbra

  • Office 365 provides a lot of security features that includes encrypted emails, advance threat analysis (ATA), mobile device management etc.
  • Enables users to access email, contacts, documents and other data from anywhere, at anytime. The services are accessible from desktop, mobile phones, notebook or laptops.
  • Complete service package offering Office Web Apps, IM, online portals, Web-conferencing, voice/video conference, voice mail, email and integrated messaging.
  • Provides easy collaboration and communication with colleagues, employees and partners
  • No additional cost for software upgrading to latest version
  • Provides Technical Support through IT Admin Phone support and other services including disaster recovery, strong security, geo-redundant data centers, privacy control etc.
  • Office 365 is designed for home users, business and enterprises. The hosted app is easy to set up and allows users to use all its features without IT support.
  • Seamless integration with MS Office and additional Microsoft programs.
  • Larger Mailbox Storage on cloud

Why to use other conversion tool for Zimbra TGZ to Office 365 process?

There is no manual method available for this migration process. So its better to use a third party solution using which, you can directly move your data from Zimbra to Outlook for Web account. Zimbra to Office 365 Converter is one such application that provides direct conversion funtionality. The converter is designed in such a way that it migrates complete data of Zimbra user profile including emails, contacts, briefcase, calendars and other contents to Office 365 on Web. The software supports precise and reliable conversion with accurate email properties, contacts details, briefcase items and calendars events and scheduled appointments etc. Even the folder structure is accurately preserved by the Converter.

TGZ to Office 365 Converter is an apt solution for users who are searching answers for all related queries. The tool provides perfect platform to migrate Zimbra calendar, email to Office 365 with complete details. The software supports easy conversion from Zimbra Desktop/Server, WebClient to Office 365 cloud.

TGZ to Office 365 Migrator Screenshots

Take a look at the screenshots below and check out the functioning steps of Zimbra to Microsoft 365 migration process.

Specifications of Zimbra to O365 Tool

Easily upload Mailbox items to Office 365 Mailbox and other File Formats

Software Name: Zimbra to Office 365
Free Download:

Download for Windows 100% Safe & Secure Buy Now 30 Days Money-Back Guarantee*

Version: 20.0
Processor: Minimum 2.4 GHz Processor
RAM: Minimum 512 MB
Minimum Hard Drive Space: 31.5 MB
Operating System: Windows OS: Windows 10, 8.1, 8, 7, Vista, XP, Windows Server 2019, 2016, 2012, 2008, 2003, etc.
Demo Version: Demo Free edition of Zimbra to Office 365 Migration tool extracts only first 25 items from every folder and saves them to Office 365 account.
Installation & Un-installation for Windows: Guide Install/Uninstall EULA

Frequently Asked Questions

Follow the steps carefully and migrate data in seconds:-

Step 1. Download Zimbra to Office 365 Tool on the system.

Step 2. Press Add Files or Add Folders button to load TGZ file/folder on the software panel for conversion.

Step 3. The tool will start scanning Zimbra zip file and extract all it's folders on the left software window.

Step 4. Click on the required folder to view the data of desired file on Preview pane.

Step 5. Now, tap Export button and choose Office 365 as a saving option.

Step 6. Enter your Office 365 login details and click Connect button

Step 7. Software will now instantly start the process.

Yes, you can migrate Zimbra mailbox to Exchange Server of any edition precisely. The Zimbra Migration software will ask to enter the details of Office 365 and then it will directly move complete mailbox to Office 365.

The process to export TGZ files from Zimbra Desktop is a simple process. For detailed steps, click here

I have extracted my Zimbra accounts data in TGZ file which consists of all the emails, contacts, calendars, briefcase and other important items. Is this software capable to upload all these items to Office 365 account or not?

Absolutely Yes, this tool imports complete Zimbra user profile database (messages, address book, calendars, tasks etc.) to Office 365 account with complete success.

I have around 20 Zimbra mailboxes (all extracted in TGZ files) which I need to move to my Office 365 account. Will this software convert all of them at once or I need to transfer each mailbox individually?

The Tool is well suited to move multiple Zimbra mailboxes to Outlook OWA account. The tool supports Add folder option for using bulk conversion option. Just save all TGZ files in a single folder and select this root folder using Add Folder option and convert all of them into O365 at once.

There is no file size limitation and you can convert TGZ file of any size to cloud database without any interruptions.

No, Zimbra to O365 Converter is Windows based application and supports all its 32bit and 64bit editions – Windows 10, 8.1, 8, 7, Vista etc.

If you are continuously getting an error, then make sure that MFA is disabled in the account. If Multifactor Authentication is enabled, then before starting the process, disable the same and then continue with the Zimbra TGZ to O365 conversion process.

Yes, as it cannot save any detail which you have entered in the software so that all users can easily transfer data directly and safely.

This tool can work on any edition of Windows OS including Windows 10, Windows 8, Windows 7, Windows XP, Windows Vista, and all other Windows OS.

There is no need to extract that zip file as you can select the zip file to transfer data in Office 365 account.

Yes, you can get an overview of this software through its demo edition which is free to all users. You can understand its working process through this edition but through this you can transfer first 25 items.

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