OST to PST Conversion Freeware - Version 3.3 OST to PST Conversion Software is successfully convert OST to PST including all emails, contacts, tasks, notes, calendar, journal and appointment etc. OST to PST Software successfully converts OST to PST with their original formatting RTF and HTML. OST to PST Conversion tool is the most successful convert OST File into PST. This Software simply works on supported versions of Windows 95, 98, 2000, ME, XP, Win7 and Vista. OST to PST Software convert OST attachments, contact, calendar, notes and RSS including the documents and images attached to mail messages. OST to PST Convert supports Microsoft Outlook 2010, 2007, 2003, 2002, 2000, 98 and 97. We are providing you the free demo version of our OST to PST Conversion Software. Demo can only show the result of convert OST to PST file not saves these files. If you want to save all the result then you can purchase Software full version available on our website by paying $99 only. More information clicks this link: - http://www.ostfile.co.uk