Free Methods to convert OST to PST files- Complete Guide

Ost to pst using outlook social media villes
Ost to pst using outlook social media villes

We’ll talk about OST files and the reasons people convert them to PST in this post. Additionally, you’ll discover how to manually convert OST to PST. This guide will assist you if you’re looking for the best way to convert OST files to PST.

Define OST files-

Offline Storage Table, sometimes known as OST, is a common file type. This file type is used by MS Exchange to store mailbox data items such as emails, contacts, calendars, tasks, and periodicals locally. Microsoft Outlook 2013 and later will keep all of the data in the OST file if you configure an IMAP account.

Users can work offline when using an OST file. The user can create and handle emails in offline mode, as well as retrieve previously downloaded data including email, calendar, and journals, utilizing OST.

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Why users need to OST to PST Conversion?

There are several causes. However, users typically convert OST to PST to create a backup of the OST file. Users can avoid unintentional data deletion or loss with its assistance. Other causes include data migration, job changes, and OST file corruption. Users migrate OST files to PST for various reasons.

Methods to Convert OST to PST

There are numerous manual conversion techniques available. To complete this task, you can alternatively use an OST to PST converter. You may learn here how to manually convert OST to PST. We will also discover a simple method for carrying out this process with a third-party converter.

How do I manually convert OST to PST?

You can manually export OST to PST using the manual solutions. Here, we’ll employ the two most effective free methods for converting OST files to PST. Based on your requirements, you can choose any of them. You need to connect to the Exchange server to carry out these procedures. Microsoft Outlook is also required for these techniques.

Note: Before utilizing these techniques, create a backup of the OST file.

Method 1: Export mailbox data to PST file

  • Utilize the MS Exchange account to access Microsoft Outlook
  • Access the File menu.
  • Choose Import & Export from the Open & Export menu.
  • Select the Next button after selecting the Export to a file option.
  • Click the Next button after selecting the Outlook data file (.pst).
  • Select the Next button after selecting the folder you wish to export.
  • Indicate where you want the PST file saved.
  • Hit the Finish button after making the do not export duplicate items selection.

Method 2: Converting OST file to PST file using the archive

  • Start MS Outlook
  • Select Advanced from the File Select Options menu.
  • Select “Auto Archive” from the menu.
  • Indicate how many days the Auto Archive will run for.
  • After entering the address, press the OK button.

The solutions mentioned above allow you to convert OST to PST for no cost. The manual remedies, however, are laborious and complicated. Try Softaken OST to PST Converter if you’re looking for a quick and secure approach to make this conversion.

Issues with manual procedures

  • Data loss possibility
  • It requires lots of time
  • difficult to carry out
  • can’t fix the OST file

Method 3: to convert OST to PST utilize the OST to PST converter

We will utilize the Softaken OST to PST Converter program in this case. This software allows you to fix damaged OST files. Additionally, the software offers a variety of export choices. You may convert OST to PST, MSG, EML, MBOX, HTML, and other useful file types with the aid of this software. This software enables OST to Office 365 migration. There is a free trial version of the software as well. It allows you to view the contents of OST files and export the first 25 items out of each folder.

Steps to Convert OST files into PST

  • Installing the OST to PST Converter program after downloading it
  • Click the Add file button after launching the software.
  • To begin loading, choose the OST files and press the OK button.
  • Following the procedure, the program generates a preview inside the program window.
  • Select the folders you want to convert by clicking the Export option.
  • Choose the PST export option, then specify a location to save the resulting PST files.
  • To begin converting OST to PST, click the Next button.

Following the operation, all MS Outlook editions, with MS Outlook 2019, can open the turned PST file.

Key Features 

  • Export OST to other file formats, including PST, MBOX, EML, MSG, HTML, etc.
  • Show view OST file data
  • Convert only certain files depending on the To, Cc, Bcc, From, Date, etc.
  • Save specific emails in the following formats: MSG, EML, EMLX, HTML, etc.
  • Exchange OST to Office 365
  • For the first 25 items per folder, OST to PST conversion is free.
  • Support for all MS Outlook editions that are Windows compatible.


In this post we explained the 3 methods to convert OST files into PST by using free methods to convert OST to PST and automated OST to PST Converter Tool. But 2 options is the best as compare to manual, so try the automated software and export multiple OST files into PST at once without creating any errors.

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