Outlook OST File to PST file Converter is failsafe app which is apt for choosy as well numerous OST files (contacts/Emails/attachments/tasks/journals etc.) & preserves whole catalog during OST conversion. This innovative app offers the free version edition to Convert Orphaned OST to PST file effectually, it will show you data preview. It supports every Windows OS (Win 8.1/Win 7 etc) & MS Outlook edition (32 bit-64 bit) like Outlook 2013/2010 etc.