OST Contacts Converter tool successfully runs all windows version Win8, Win7, Win XP, Win Vista, 95, 98 and others. OST Contacts to PST software is converting OST contacts into PST file and recover all damaged OST contacts with the help of OST to PST tool. Convert OST contacts to PST files with OST to PST process method and save different in three formats in your systems like OST to PST, EML & MSG formats.