Easy & Free Methods To Convert Exchange OST to PST File

​In this blog, we will be discussing two free methods to convert Exchange OST to PST files. The first series of articles contains the Manual approach, and secondly, it provides the Professional solution OST to PST Converter. So, without further delay, let’s get straight into the blog.

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Microsoft Outlook saves all the Exchange mailbox data on a local network in OST file format when it is used in Offline mode. The alterations made in the offline mode are subsequently updated when the Exchange servers come online. The OST file stored on a local system remains unaffected by the Exchange server crash, data deletions, corruption, etc. Later on, the OST files can be used to restore the mailbox data in case of any mishappening.

Reasons to Convert Exchange OST to PST File Format

  1. If you want to use the OST file data online, it is required to convert Outlook OST to PST.
  2. When users want to migrate data from one place to another, especially when your organization is shifting, you need to move all your important data to a different system.
  3. When the Exchange Server goes for maintenance, and it is extremely necessary to access the mailbox data. In that case, it is required to convert exchange OST to PST.
  4.  To recover the deleted OST file data, the user converts OST to PST.
  5. Suppose OST file data gets corrupted for various reasons, such as virus infection, software malfunction, abrupt system shutdown, failure, lack of storage space, server crash, etc. In that case, it must convert OST to PST.

There are numerous ways to convert OST to PST file format and below we have discussed the easiest and most convenient solutions.

Solution 1. Export mailbox as a PST file to Export OST to PST

Log in to the Exchange account, which generates the OST files, and export OST to PST.

  • Navigate to Files click the “Open & Export option and click Import & Export.”
  • Pick “Export to a file” and click Next.
  • Click the second option, i.e., “Outlook Data File (.pst),” and Next.
  • Select the file/folder you want to export and Tap Next.
  • Provide the location where you want to store the newly generated PST file and select “Do not export duplicate items.”

Note: You can secure your file by providing a password to it.

Solution 2 Utilize the ‘AutoArchiving’ Method to Convert Exchange OST to PST

Once “AutoArchiving” is enabled, Outlook saves OST files and mailbox data in a separate PST file. Additionally, it keeps the size of the mailbox ideal and reduces the chances of corruption.

  • Launch the Outlook application, Corruption File, and then click on “Options.”
  • Go to the “Advanced” option and click “Auto Archive Settings.”
  • After that, provide the number of days in which you want to perform auto-archiving. Once that’s done, select the folder where you want to save the archived File, and lastly, click OK.

In an unfortunate event, that your PST file gets corrupted refer to Outlook PST Recovery Tool

Solution 3: Convert OST to PST By using a Professional Solution

Using this tool you can even convert the corrupted or damaged OST files. Also, its user-friendly interface makes the user experience more delightful. Moreover, it can easily convert multiple OST files to PST at once. This utility is designed with inbuilt features that make the conversion process reliable and keep the data safe and secure. Let’s keep an eye on the workability of this tool:

Steps to convert exchange OST to PST

  1. Download and Run the OST to PST Converter tool on your system.Convert Exchange OST to PST
  2. Now, choose the single file or multiple file/Folder options to browse the OST.Step-2
  3. After adding the OST file, click Next for further proceedings.Step-3
  4. Select the file format in which you want to convert Exchange OST to PST. Here we choose the PST file format.Convert Exchange OST to PST
  5. The OST to PST converter provides some inbuilt features. Choose them according to your needs.Step-5
  6. Assign the path to save the resultant output, and at last, Tap on the convert button to start the conversion process.Step-6
  7. You can also save the Log Report of the conversion by clicking on the Download Report.Convert Exchange OST to PST


Saving data in OST format is beneficial, but sometimes the user needs to move to PST as they are more convenient. So use any of the above steps to convert exchange OST to PST, but as an IT expert, I would personally suggest you use a professional tool as they are reliable and safe. ​

About The Author:

Amrita Yadav is a content writer in the field of Email Migration, Data Recovery, Email backup, and File Management. I started this writing career two years back. I think the vast range of information in this industry is the reason I am so fascinated to read about the newer techniques and technology.

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