I would like to recommend you, use OST to PST Converter. The software helps the user to convert OST to PST with complete data properties such as To, Bcc, From, Attachments etc. It supports all the versions of MS Outlook and compatible with Windows OS. The software is designed using advanced technology so it preserves all the inline images and maintains the folder structure.
There are effective and easy conversion tools for converting OST file to PST file format. In any case, some of them are useful for OST to PST change. Subsequent to looking on the web I have found OST to PST Converter Tool. You can attempt this product to change over OST information to PST with no information misfortune. This Software is 100% solid and safe for the OST to PST Converter.
If you want to export the data from ost to pst, then there is no free converter. Here, I would like to suggest a software OST to PST converter. this software is suggested by many of the experts. You can easily do this work without any technical knowledge. The GUI of this software is user-friendly & easy to use. This is free up to some extent. Download its free version here