Convert OST to Outlook - Version 3.7 If you need to convert OST to Outlook files, then get PCVITA OST to Outlook conversion software. By using this tool you can easily recover as well as convert OST to PST files into few easy clicks. Software can easily convert OST to Outlook 2003, OST to Outlook 2007 as yet OST to Outlook 2010. This OST to Outlook conversion software can converts entire OST file components like - emails, contacts, calendars etc. With single OST to Outlook conversion software you can perform 3 conversion facilities like OST to Outlook conversion, OST to EML conversion as well as OST to MSG conversion. Try free demo version of OST to Outlook conversion software which helps to convert 5 OST to Outlook items. If you need perform OST to Outlook conversion in bulk then you have to purchase full version of software. Full version is available at only $99.