OST File Size Limit - Version 3.3 OST File Size Limit give a better response to recommended complete data from OST file and it save into Outlook PST file in own computer. Convert OST to PST file give a better response and it support Outlook PST file and this tool is store on windows operating system not matter version of windows it support win7, 2000, 95, XP professional, XP, NT . And this tool has advance future to accept install and uninstall feature if it accept windows operating then this software do work as an interface in between Exchange server and Outlook PST file. Company provide a trial version software to find a complete process of OST Recovery software if user fin only introduction of this tool then go on given link. This trial version company provides a demo free of cost and use want full working software then it accept bulk of data at a one time if user want conversion then purchase at $99 for personal if want business then pad $199. For more info:-http://www.ostfile.co.uk/ost-file-size-limit.html