Are you looking for the perfect solution to convert your OST files? Use Sysinfo OST to PST Converter. It is the best professional tool to convert OST to PST as well as other file formats such as CSV, MBOX, HTML, EMLX, EML, and so on.
There are various advanced options available in this tool such as:
Remove duplicate/unwanted emails.
Selective date range for easy conversion.
Maintain Exact folder hierarchy
Compatibility with all versions of MS Outlook
Support all Windows versions.
It will provide you with accurate data.
You can convert 50 files free of cost in its free demo version.