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OST to Zimbra Converter
Spectacular Method to Convert Exchange OST to Zimbra Desktop TGZ

(Download the most impressive solution to export OST to TGZ format and transform entire offline OST emails to Zimbra Mailbox. It easily converts orphaned, IMAP, corrupted, cached Exchange OST file to Zimbra TGZ format.)


$49.00 to Buy (Buy it Now)

Marvelous Features of OST to Zimbra Converter

ost to tgz

Migrate OST to TGZ File for Zimbra Desktop

OST to TGZ Converter is the best suited solution for users to export Exchange OST emails to Zimbra. It quickly extracts Microsoft Outlook OST data items such as email messages, contacts, notes, calendar entries, tasks, etc. in TGZ format in few moments. The tool enables user to export OST file and save them as TGZ format for Zimbra Desktop client.

batch convert

Export Multiple OST files into TGZ Format

OST to Zimbra converter is the recommendable solution to import OST to Zimbra without losing any data. The tool facilitates user to batch export OST to Zimbra TGZ format at once. With this advance feature, users can safely convert single as well as multiple OST files into TGZ format at once by choosing OST file/folder option available in software panel.

advance search

Safely Converts Large OST Files to Zimbra

The utility has been designed by using advance algorithms to extract large OST file and its data items safely. Users can safely transfer OST data to Zimbra without applying any extra efforts. It can instantly perform the migration of large OST file into Zimbra Mailbox along with their entire data items. The utility safely converts .ost to .tgz format at once in couple of clicks.

maintains data integrity

Preserves the Data Integrity

The tool provides an advance feature to import OST to Zimbra mailbox by preserving the data integrity even after performing the conversion process. The tool enables user to extract OST data items by preserving the meta properties like Subject, time, cc, bcc, to, from, sender/receiver address, etc. The tool exports OST Offline Storage file into Zimbra TGZ format without any alteration of data.

maintain folder structure

Retains Folder Originality

The utility is programmed by using special algorithms which enables user to save offline OST file as TGZ format by preserving the folder hierarchy. It is capable to maintain the folder structure in their original hierarchy even after the file conversion. So that users can easily access their data saved in folders and sub-folders of OST file will be remained same in Zimbra Desktop.

auto detects

Auto-Detects OST File

OST to Zimbra converter is independent of platform to perform the migration from OST to Zimbra. The tool automatically detects the OST file in the system from their default location. It helps user to find out their offline storage file OST in the system without any extra efforts. So that users can directly converts OST to TGZ format in moments.

separate folder

Separate Folder for Calendar Entries

It is a remarkable tool which successfully exports OST file into TGZ format in few moments without losing any data. The tool extracts a separate folder for calendar entries which is saved in standard ICS format for Zimbra collaboration server(ZCS). Overall, it is a perfect method to extract calendar entries and important OST data into Zimbra mailboxes in couple of clicks.

supports outlook versions

Supports All Latest Versions of MS Outlook

In order to convert OST to TGZ, the tool is specially designed to perform the migration form Outlook OST file to TGZ format. It supports all the available versions of Microsoft Outlook i.e. Outlook 2016, 2013, 2010, 2007, 2003, etc. This enables user to import OST to Zimbra in few moments. Moreover, the utility does not require the connectivity of Exchange server and outlook to perform the migration.

Few Queries About OST to TGZ Converter

How to Import OST File in Zimbra Desktop Client?

“I have OST file of Exchange Server and looking to transfer my OST data to Zimbra collaboration server. But I don’t know how can I export OST file to Zimbra TGZ? Now, I am looking for the best suited solution which enables me to convert OST to TGZ format.”

However, there are several cases where users need to change their email platform for managing their email data. In order to perform OST to Zimbra conversion, users need to convert their OST file into TGZ format. Then users are capable to import OST file to Zimbra desktop client. For the complete solution, users need to choose OST to Zimbra converter which successfully exports OST data to TGZ format.

Looking to switch from Microsoft Outlook to Zimbra Desktop

“In my previous organization, I have used MS Outlook for managing my email data. Now, I have transferred to my organization’s branch where I got a Zimbra on Mac system. Now, it is not possible for me to access my OST data in Zimbra. So, I am looking to migrate Outlook OST to Zimbra Desktop."

Switching of email platform is another main reason which forces user to move Outlook OST file to Zimbra Desktop client. OST to TGZ Converter enables user to change their email client from Outlook OST to Zimbra Web client in few seconds. It is the right choice for users to choose this tool and access their OST data on Windows as well as on Mac and Linux systems too.

How can I batch Export OST to TGZ format?

“I have multiple OST file and want to convert multiple OST files into TGZ format at once. Is there any simple solution is available to migrate Exchange OST file to Zimbra?

If you have multiple offline OST files and want to export them into TGZ format at once, then it is possible by choosing the third party utility OST to TGZ converter. It is the safest solution for users to convert OST to Zimbra mailbox at once in few moments. The utility has batch mode which enables user to export multiple OST files into TGZ format at once in few moments.

How to convert inaccessible Exchange server OST file into Zimbra TGZ?

“I have a OST file which is corrupted due to the connection error between MS Exchange server and Outlook. Is there any possible solution to export OST to TGZ format?”

However, it is not possible to use OST file in the absence of the connectivity to MS Exchange server. It forces user to perform the migration from OST to Zimbra to access their offline OST data in Zimbra Desktop. Moreover, the tool enables user to convert corrupted, crashed, IMAP, cached Exchange server OST file into Zimbra TGZ format in few moments without losing any data.

Guide - OST to TGZ Converter

How to Import Outlook OST to Zimbra TGZ?


Start OST to TGZ Converter to initiate the conversion process from Outlook OST to Zimbra mailbox.

start software


Now, users need to browse and choose OST file/folder which need to import OST file to Zimbra.

select ost file


In next step, users need to browse and choose the suitable destination location to save targeted TGZ file at desirable location in the system.

Choose destination location


In the last step, users need to provide a click on Convert button to complete the migration process from OST to Zimbra TGZ format.

click convert button


After successfully fulfilling the required steps, user will get their resultant TGZ file at selected location.

Completed successfully


After a few seconds, the tool automatically opens a new window which contains resultant TGZ file.

Conversion completed

Program Name:
OST to TGZ Converter
File size:
3.42 MB
Program Type:
System Requirements:
Pentium II 400 MHz, 64 MB RAM, Minimum 30 MB Space
Operating System
Windows 10, 8.1, 8, 7, Vista, XP, etc.
Windows Server 2016, 2013, 2000

Trial Edition

In the trial edition, OST to TGZ Converter offers user to export their first 25 items from each folder of offline OST file/folder to Zimbra mailbox. It offers the full package of Licensed edition features in a trial version to evaluate the entire software deeply.

100% Safe & Secure

100% safe and secure

Yes, the tool successfully converts OST to Zimbra mailbox even in the absence of connection between the MS Exchange and Outlook.

No, it is not required to install Zimbra desktop to perform the migration from OST to Zimbra TGZ format. In order to view and manage converted OST data in Zimbra, installation is required in the system. Moreover, it easily supports all the versions of Zimbra Desktop – 1.0, 2.0, 7.0, 7.1, 7.2 etc.

No, the utility is completely Windows based application. It supports all the versions of Windows operating system i.e. Windows 10, 8.1, 8, 7, Vista, XP, etc. After performing the conversion process, users can use resultant TGZ file in Windows as well as Mac and Linux operating system.

Yes, the tool extracts separate folder to save calendar entries in a standard ICS format from OST file to Zimbra TGZ. Moreover, it exports entire OST data items into TGZ file by preserving the data integrity.

Yes, the tool will successfully export inaccessible or corrupted OST file to TGZ format in few moments without losing any data.

What Says Our Client

Customer's Satisfaction is Our First Priority, Here is What Our Customer Thinks About Us

Order OST to Zimbra Converter

Order Full licensed version of OST to TGZ tool for converting offline OST file to TGZ format within couple of clicks. Before ordering the full version, you must try the demo edition and then purchase the licensed edition.


We Accept All Major Credit Cards along with PayPal Account

accept all major credit cards and paypal accounts

For Home User



  • Suitable for Home or Personal Use
  • Valid for 2 Machines
  • Lifetime License, No Expiry
  • Valid on Single Geographical Locations
  • One Year FREE Product Updates

For Corporate



  • Suitable for Commercial Use
  • Valid for Multiple Machines
  • Lifetime License, No Expiry
  • Valid on Multiple Geographical Locations
  • One Year FREE Product Updates
Note: After purchasing you will receive license details through an email within 30 minutes. Mention a working and correct email address while ordering.

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Reviews of OST to Zimbra Converter

Rated 4.1/5 based on 19 customer reviews

Kayley Jensen commented on Apr 10, 2017

Recently, my OST offline storage file has been corrupted due to which I was unable to access in Outlook again. When I try to access it, the an error message appears. Then I use OST to TGZ converter on friend's recommendation. At last, it successfully works for me to import OST to Zimbra.


Ralph Fletcher commented on Mar 17, 2017

Superbe outil! Il convertit avec succès OST à ​​Zimbra sans effort supplémentaire. Cela me permet d'exporter par lots OST au format TGZ à la fois en quelques instants pour importer OST dans les boîtes aux lettres Zimbra.


Perez commented on Feb 28, 2017

OST to Zimbra Konverter hilft mir viel, um meine unzugänglichen Offline-OST in Zimbra TGZ-Format zu konvertieren. Es exportiert erfolgreich OST zum Zimbra TGZ Format, um auf meine gesamten OST Postfachdaten in Zimbra Desktop zuzugreifen, ohne irgendwelche Daten zu verlieren. Danke für die Bereitstellung eines so wunderbaren Dienstes !!!


Lauryn commented on Dec 18, 2016

Fully satisfied with the tool!!! In the starting phase it is looking impossible to convert large size OST file into Zimbra TGZ format. But fortunately this tool OST to TGZ converter successfully exports OST to Zimbra desktop without any issue. Overall, it is a successful solution to perform the conversion process.

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