Outlook OST vs. PST - Version 3.5 Outlook OST vs. PST software are use to recover injury OST data this data are store on the Exchange server and server are corrupt due to some reason like any user fault or machine fault like software faller, hardware crash, or any virus attach on the server and all any fault server is damage and all the data lose but this data is very important for the user then it want recover lose data. User use OST to PST conversion tool it recover whole of data from Exchange server and repair it then store into PST database or other two formats like EML database or MSG database save into RTF file or HTML file format. You can purchase full version of our software invest at a low payment just at $99.For more info user go to link: - http://www.ost2pstexe.co.uk/