Stellar OST to PST Converter [Download] Effortless conversion of MS Outlook OST file to PST files 3-pane Preview window to view the converted mails Enables converting an encrypted OST file Can save single mail messages in PST, EML, MSG, RTF, HTML, and PDF formats Support for MS Office 2013 (32 bit version), MS Office 2010 (32 bit and 64 bit versions), 2007, 2003, 2002, and 2000