Yes, there is a method and a software OST to PST Conversion Tool that can convert your OST files into PST files, and it also supports every version of Windows. A demo version is also available which will convert up to 50 files at once. The tool contains more features and benefits of the OST Conversion tool they are:-.
The tool converts and transfers emails, contacts, calendars, notes, etc.
The software has a simple user interface that is reliable for everyone.
The software converts multiple OST files to PST at once without any hassle.