OST Convert PST tool is easy to install and user friendly to MS Outlook OST to PST. Microsoft Outlook stores all your emails, contacts, tasks, notes, calendar, appointments and journal entries and folders into a file known as OST Convert PST.Now every MS Outlook user who wants to convert all information of OST files into Outlook Express without losing the original information. Convert OST File to PST tool to support conversion of MS Outlook files is created OST version 2000, 2010, Vista, 998, 2007, XP, ME, NT, and Win7.SysTools OST Convert PST software provides also demo version, it is available for users without paying any charge. If you get the desired result as per your need then you can order for the full version of personal license of our software stating at $99 and business license at $199.