Tizen Developers

To convert your OST files into PST in the smartest way you should definitely use PDS OST to PST Converter and that is a third party software which is available to download then and there easily. I will definitely suggest you to use this software which I personally used and happily satisfied with it, PDS OST to PST Converter this is the best and outstanding software I have come across, loved the interface and easy to use! Go and try it know: https://www.perfectdatasolutions.com/en/ost/convert-ost-to-pst.html