Download Best Free OST to PST Converter- eSoftTools

Last updated on January 17th, 2024 at 01:55 pm

Summary:- Users might convert Outlook OST files to PST format for a variety of reasons. The manual conversion method, is time-consuming and dangerous. As a result, we’ve introduced Best Free OST to PST Converter, which provides a secure and fast way to convert Outlook OST data to PST format. Continue reading to learn more about OST to PST free software.

As a copy of your Exchange mailbox, Outlook creates an OST file on your computer. Users can access this file to open emails even if the internet connection is not available. Outlook syncs the OST file with your Exchange account daily so you can access the most recent things in your inboxes, such as emails, contacts, and calendars.

Usually, OST files don’t create any problems for Outlook users. However, sometimes a situation arises when users need advanced utility, like- Best Free OST to PST converter for quick migration. These are some of them:-

  • To make data migration from an Exchange mailbox database to Outlook hassle-free.
  • When the Exchange database becomes dismounted or inaccessible due to server crashes, for fast and easy access to mailbox data.
  • To recover data from a corrupt or orphaned OST file and save it to a PST file.
  • Transferring data from Outlook OST file to a new device.
  • OST file repair reliably and efficiently.

If you are facing any one of the above mentioned problems or need to convert OST to PST, we’ve offered a free Microsoft OST to PST converter in the following section.

Best Free OST to PST Converter Provided by eSoftTools

To meet the needs of professionals, eSoftTools has created an innovative multi-purpose tool.

eSoftTools Free OST to PST Converter Software, which is the most used method by every Outlook user all over the world to convert OST files to PST files while preserving the original folder hierarchy and data integrity. With eSoftTools’ Best Rated OST to PST Converter Software, you can easily restore deleted or inaccessible mailboxes from corrupt or disabled Outlook’s offline (OST) data file.


Free OST to PST Converter is the best program with a variety of user-friendly features. OST to PST Converter tool has all the features you’d expect from a professional program.

Why Choose this Free OST to PST Converter?

  • Converts all encrypted/large-sized Offline Outlook data file OST to PST file.
  • Shows all inner mailbox folders and data of OST file as a preview before conversion.
  • Convert OST files to PST files, MSG, HTML, EML, MSG, vCard, and more other file formats with this single application.
  • Extracts all mailbox items from an OST file that is corrupt or inaccessible and saves them to a working PST file.
  • Free Convert OST to PST tool works for both Outlook versions and Windows operating systems.
  • The option to break the resultant PST is also present, and users can set the PST size for the resultant PST.
  • Data integrity and folder hierarchy of OST data are maintained by this software after OST file conversion.
  • Includes a feature that allows you to directly export OST files to Office 365, Gmail, and YahooMail.
  • Free OST to PST Converter tool supports converting the 25 items from each folder of the OST file with spending money.

How to Use Free OST to PST Converter?

  • Download free OST to PST Converter tool.


  • Launch the software and In the Menu Bar, press the Select OST button.
  • Now add the required OST Files to see the preview of its inner folders and items.
OST file recovery
  • The user can now see the list of selected OST files on the left side of the software screen. To see the contents of the folder, the user can click on it and expand it. Then see the email preview and select the required folder.
  • Now press the Save OST button from the ribbon bar.
  • From the next click on the file format you want to save (choose the “Export to PST” radio button to convert OST to PST)

    Note:- There is also an advanced option to set the size of the PST file for splitting. Choose what you want and proceed with the Next step.
  • Select the destination path where you want to save the resulting file and hit the Convert button.
  • The OST to PST conversion process now begins.
  • When the software completes the conversion, a message will appear on the screen “Process Completed Successfully“, simply Click OK and close the window. 


Data is a valuable asset in today’s online world, and no one wants to put it at risk. There are also several manual ways to transform an OST file into a PST file. However, they all have drawbacks, such as the possibility of data loss. Best free OST to PST Converter is professional software that makes OST to PST conversion safe, effective, and simple.

This platform offers several features and also provides a free demo/trial version so that you can get quick knowledge about how OST to PST Converter works.

A technical support team is available 24 hours a day, 7 days a week to assist users.

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