Download and install Advik <a href="https://www.adviksoft.com/ost/pst.html">OST to PST Converter</a>software in your PC. This software is the best tool to convert OST to PST format. It will export data with same folder hierarchy. No data loss will take place. The software is a great help for users who wants to convert orphan OST file into PST format. So that you can open OST file in Outlook.
Steps to Convert OST to PST Without Outlook
1. Run Advik OST to PST Tool in your PC
2. Click Add File and add OST file.
3. Select mailbox folders to export.
4. Choose PST as saving option.
5. CLick Convert button to start process.
Done! This is how you can convert OST to PST automatically. The entire process is offline based.
Download Trial: https://www.adviksoft.com/dl/advik-outlook-ost-converter.exe