import-ost-to-zimbra

Zimbra desktop application has earned a lot of popularity among the business enterprises. It has various features that make it stand apart among its peers, for example, it helps users to create and share calendars, filters the unwanted mails, and keeps back-up of all the files. Unlike Microsoft, Zimbra has advanced features and offers instant services. In this article, we will provide you step by step instruction on how to import OST files to Zimbra desktop manually as well as through the third party application.


Users can utilize eSoftTools OST to PST Converter Software, which is the best method to repair and convert OST, PST, and NST files of Outlook to multiple different file formats. It has the capability to convert OST into Zimbra, vCard, CSV, MBOX, HTML, Gmail, Office 365, Outlook PST, and many more file types.

Reasons why to migrate mails from OST to Zimbra

  • OST Synchronization Errors– OST files can be easily accessed by the users even when they are not online. Sometimes, this may lead to synchronization error while making changes in the OST files. This is one of the primary reasons why users import OST files to Zimbra desktop application.
  • OST Synchronization Errors– OST files can be easily accessed by the users even when they are not online. Sometimes, this may lead to synchronization error while making changes in the OST files. This is one of the primary reasons why users import OST files to Zimbra desktop application.
  • OST Synchronization Errors– OST files can be easily accessed by the users even when they are not online. Sometimes, this may lead to synchronization error while making changes in the OST files. This is one of the primary reasons why users import OST files to Zimbra desktop application.

How to migrate OST files to Zimbra manually?

There is no manual way to import OST files to Zimbra. The user has to migrate their OST files to PST files and then import PST data into Zimbra

Step 1 Transfer OST Files to PST files

  • Visit the Control panel and select the mail option and from there select properties
  • In properties, there is a data files tab, where you can see the location of the files.
  • Open MS Outlook and visit the file menu and now click open and export tab and from there select import/ export tab.
  • After that, select the export to file option which can be seen in Import/Export Wizard
  • After that, the user has to select the pst files and click on the account name and ensure that all folders and sub-folders are included in it.
  • Select the location where you want to store PST files and in the end, the wizard will ask you the password. You can add it to enhanced security.
  • Now, visit the selected path, and pst file will be seen.

Step 2- Importing PST files to Zimbra

Now, the user needs to launch ZCS migration wizard and follow the below-mentioned steps

  • Select the PST file and click on the Next button.
  • When you launch Zimbra desktop, the user can view folders, subfolders according to date, depending upon the requirement you can select the files.
  • Now, the import process will start. Even the user can open Log file to view the entire process.
  • Once it is complete, a pop-up message will appear showing that the migration process is complete and there will be a purview of migrated items.
  • Now, the user can freely access Zimbra desktop, like tasks, folders, contacts with the imported items.
  • The user can also move the files from the local Zimbra desktop to Zimbra collaboration account, using drag and drop.

Mechanical Method to Import OST to Zimbra

The manual way of conversion is complex and subject to many technical errors hence eSoftTools have launched OST to Zimbra Converter that helps the users to convert OST files into TGZ file formats with all emails, calendars, to-do list. The software enables you to select the emails that you wish to convert. It supports encrypted and damaged files and repairs them before conversion. The user can purview the select OST files before conversion. The hierarchical data structure is not compromised. You can download it now.

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