2 Free Solutions to Convert OST File to PST Format



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Outlook email client has two files – OST and PST to store its data items. PST file contains all information and is stored on hard disk of the system whereas OST file is the copy of Exchange Server data saved on local system of users. OST file allows users to access Exchange Server mailbox data in Outlook in offline mode. However, certain situations arise that causes users to convert OST file to PST file format. Here, we are listing two solutions to convert OST file into PST file format.

Here are the situations when OST file to PST file conversion will be useful for users.

Expert solution:


Get smart conversion of OST file to PST file format using OST to PST Converter Tool.

There are multiple methods for the conversion of OST file to PST file format. Here, we will explore two free solutions to convert OST to PST format.

Method 1. Export OST mailbox data into PST file

First of all, login to Outlook with Exchange account that was used to create OST files. Then, export OST mailboxes into PST file using the given steps –

Method 2. Archiving of OST emails

By enabling Auto-archive option in Outlook, users can save items of OST file in new PST file. This will also manage the size of your mailbox. With this method, older messages can be moved into archive folder whom you don’t want in the mailbox. Here are the simple steps to enable auto archive option in Outlook –

Convert OST to PST without Exchange Server connectivity


The above discussed free solutions needs Outlook installation and Exchange Server connectivity. But in case users don’t have Exchange Server connectivity then how to convert OST file to PST file format. The solution is Datavare OST to PST Converter. It is a professional solution to freely convert 10 items from each OST folder to PST file format. It is simple to use with friendly interface and lets users convert OST mailbox items into PST format in a few clicks. Let’s find out the working of the software –

  1. Open OST to PST Software after installing it successfully on your Windows system.
  2. Use the Browse button and load OST file that you want to convert.
  3. Select a location to save the converted PST file.
  4. Hit the Convert Now button and in a few minutes, OST data is converted into PST format.

Quality features of professional OST to PST Converter

The Bottom Line

The blog explained different ways to convert OST file to PST file format. Archiving OST, export mailboxes into PST and a quick and smart professional solution OST to PST Converter are discussed in this post for conversion of OST data into PST format. You can choose the solutions as per your needs. However, for trouble-free conversion, professional solution is highly recommended.