Get Outlook ost converter tool. This is the making of KDETools Company.  The OST file conversion software is a successive tool which can successfully repair and recover corrupt and damaged Outlook OST files. The OST to PST Converter software to Export/ transfer OST file to Outlook PST file. Via ost to pst conversion tool to converts ost files in many file formats such as- PST Outlook, Office 365 account, pst file, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc.