How to convert OST to PST?

Last Modified: September 10, 2019

OST file is a MS Outlook offline folder file. This offline folder makes it possible for users to work in offline mode without any internet connectivity. It is basically a local cache of MS Exchange account and sync automatically to the Exchange Server as soon as an internet connected.

Why OST to PST?

Here are some main reasons to convert OST to PST:

  1. Exchange Server crash
  2. Deletion of Exchange Server account
  3. Data Migration
  4. Backup Exchange mailboxes

What are the free methods to convert an OST file into PST file?

Method 1: Export mailbox to PST file

Login outlook with the MS Exchange account that was used at creation time

  1. Go to Files
  2. Select Open & Export
  3. Click Import & Export
  4. Select Export to a file from choose an action to perform and Click Next
  5. Select outlook data file(.pst) from create a file of type
  6. Choose the folder which you want to export
  7. Set path for the exported file and also select do not export duplicate items

Method 2: By using OST to PST converter tool

The OST to PST Converter is an advanced conversion tool that easily converts OST to PST and saves your valuable time and effort. This tool also very effective in corrupted OST files. It quickly recovers data from the damaged exchange OST file and converts all recover data into a new PST file. Using this tool you can also convert data into multiple file formats. The OST file converter tool also comes with a free version that allows you to preview all OST file data and also you can export the first 20 items from each folder.