Technically proven Microsoft Exchange OST to PST Converter includes a special recovery procedure that helps to convert orphaned OST to PST by keeping all original details of OST file. It is designed to repair major corruption issues of OST file. Software does not require Exchange Server installation to convert orphan OST file to PST file.
It's not an overstatement if i say that Turgs OST Wizard is the best tool ever available in Online market. Just check out the features and compare with other tools for safe and risk-free conversion of Exchange cached mode OST file, Outlook 2016 (IMAP) OST, and orphaned OST file.
For detail, visit: http://turgs.com/ost/
You can just convert any orphaned .OST files into PST folder by using this OST to PST tool, as i have already used it to convert my saved OST mails in PST along with complete emails data. Software retains 100% accuracy throughout the OST mails to PST folder email conversion process.
More Information - http://www.softweak.com/converter/ost-to-pst.html