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Microsoft Exchange stores all the data in the OST (Offline Storage Table) file format. Users can easily work on the OST files in offline mode and the changes made by the user will be updated automatically when the server connection re-established. However, due to some reasons, users may want the conversion of OST to PST file. Here in this article, we will provide the most recommended free conversion OST to PST file format. PST (Personal Storage Table) is a file format supported by Microsoft Outlook to store all the Outlook mailbox items. Outlook provides several amazing features for its users which attracts the users. The most common reason for OST PST conversion is that the PST file can easily be accessible and ported. 

Before moving further, let’s understand the need for the OST file conversion to PST.


What are the Reasons For Free Conversion OST to PST?

There are various reasons for converting OST to PST file format. We have mentioned some of the common reasons for which users want to convert OST to PST file format.

  • The exchange server failed or crashed.

  • Accidentally deletion of the Exchange server account.

  • Backup Exchange mailboxes.

  • Exchange server maintenance.

Let’s move further and we will discuss the manual method for conversion of OST to PST file format. Before starting the manual process of conversion, I would suggest you create a backup of the original file as there is a risk of data loss.


Manual Method For Free Conversion OST to PST File Format

Here we have mentioned the manual steps to convert OST to PST file format. You need to create a backup of the original file before starting the process as there is a risk of data loss due to any human error. Follow the steps provided below - 


Method 1: Import/ Export Method

  1. Launch MS Outlook application on your system.
  2. Go to the File tab.
  3. Select the Import/Export option.
  4. Click on Export to a file
  5. Hit the Next button
  6. Now select Personal file folder (.pst) 
  7. Click on the Next button.
  8. Go to the parent root and then click on Include Subfolders.
  9. Browse to define the location of the resultant file.
  10. Click on the Finish button.


Method 2: Drag and Drop

Here users need to create a new PST file and then select all the OST data for the conversion of OST to PST file and drop them to the newly created PST file.

  1. Open the MS Outlook application.
  2. Now create a new PST file in Outlook.
  3. Choose all the OST data that you want to export and drop them to the newly created PST file.


Method 3: Use Outlook Archive Feature

  1. Launch MS Outlook application.
  2. Go to the File tab.
  3. Click on the Options.
  4. Now, Go to the advanced section.
  5. Click on Auto Archive settings…
  6. Select the number of days for which you want to run the auto-archiving. 
  7. Browse to define the path to save the resultant archived file.
  8. Click on the OK button.


Limitations 

  • Complex and more time-consuming process.

  • Does not support the conversion of corrupt OST files.

  • Technical knowledge is required.

  • Continuous risk of data loss during the process.


Third-Party Solution For Free Conversion OST to PST Format

You can use the smart OST to PST converter tool available in the market. The third-party utility is designed on the advanced algorithms and doesn’t require any technical knowledge to work on it. The utility can easily convert OST files to different file formats like PST, EML, MSG, HTML, PDF, etc. As we have seen there are limitations using the manual technique for OST PST conversion, so users can use the advanced automated solution to avoid all the limitations. The utility also provides a demo version for free conversion OST to PST file format.


Wrapping Up

In this article, we have discussed free conversion OST to PST file format and some reasons for which users want online conversion OST to PST. We have discussed the manual steps, however, there are several limitations with the manual technique. So, it is suggested to use the advanced third-party solution for OST file conversion to PST effortlessly without any hassle.