How to Import Outlook OST file to Zimbra Desktop?

Last updated: December 24th, 2021 at 07:42 am

Do you want to import Outlook OST files to Zimbra Desktop? If you are unable to do this task, then in this article you can get a solution. Here, we’ll show you one of the most effective method to import OST to Zimbra desktop clients without losing any data.

There is a huge list of email clients which is available in today’s technological environment. Some of those email clients are free, while others need payment.

Microsoft Outlook is also one of the most used email clients that users prefer for secure emailing. Outlook allows different profile configuration options. It offers users to configure an IMAP, Exchnage and POP3 account. When a user configures his account with IMAP or Exchange setting Outlook auto-creates an OST file. Outlook creates this file to make a backup of all user’s profile emails and other data.

In Outlook’s competition, there is Zimbra Desktop email client. Nowadays most Outlook users also want to switch to this email client. The reason is Outlook is a paid application, on the other hand, Zimbra desktop is a freeware application. At free of cost, it provides a variety of features, such as email, address book, calendar management, and so on.

Also Read:- How to Convert emails from OST to HTML files?

Now let’s see what is the method to Import Outlook OST file to Zimbra Desktop?.

Smart Solution to Import Outlook OST file to Zimbra Desktop

The biggest difficulty with importing OST files to Zimbra desktop is, direct option to import OST files is not available. The reasons Zimbra only supports TGZ file format for data importing. So, to transfer emails of Outlook from OST to Zimbra, users must first convert the OST to TGZ file format.

However, any manual method is not available to convert OST to Zimbra(TGZ) files. So, users must use the best automated third-party tool to do this conversion task. A user can take the help of the PassFixer OST Converter Software. This single software can allow you to transfer multiple emails from Outlook OST to TGZ files in a single process.

How to Import Outlook OST file to Zimbra Desktop using OST Converter?

  • Download, Install OST Converter Software and start it to your machine.
Main screen OST Converter
  • Choose Add single OST file or Add multiple OST files to option from this software’s first screen.
  • Make selection of OST files from its directory and hit the Next button, to start the scanning process.
single ost file selection
  • Extract all mailbox folder and items from OST file in the software’ preview panel.
preview OST emails
  • Choose required folders from OST and hit the Convert button
  • Next, from the conversion option pick the Export to Zimbra TGZ radio button.
OST Conversion options
  • Apply Mail filtering option and choose a destination path to save result TGZ files.
  • Hit the Convert button, in th final step to start the OST to Zimbra TGZ files conversion task.
Convert OST to PST

Open Zimbra desktop and choose Preferences >>Import/Export option. From the Import section click the Choose File button. Now import the Zimbra TGZ files (created from OST Converter).


In this article, we have povided the complete method for exporting data from Outlook OST to Zimbra Desktop client. The tool that we have used to perform the task of importing OST to Zimbra is PassFixer OST Converter Software. It is simple to use and allows you to convert OST to TGZ format without altering their inner information. Get a free demo edition of this tool to get a quick knowledge about its working process.

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