From OST to PST - Version 3.5 Mostly user save OST data in Outlook and after some time this data get bulk form and not accessibly directly Outlook and suddenly data are corrupt at this position Form OST to PST software work for access complete real data in Outlook PST file and other two format like EML file format or MSG file format and save into original text form in HTML file or RTF file. This corruption not depend on bulk file it also get due to some reason like version attack on OST file system shut down, suddenly power off or any user fault. This software install on windows 2007, 2003, 2002, 2000, 98, 97, 95. Without any problem it work in-between Outlook and exchange server and it accept data Exchange server first repair it then submit in Outlook PST file. If user wants some confirmation about this tool then use demo version. It provides totally Free of cost. And give complete preview and if user wants convert bulk of data in a signal tasks then buy complete software. For more conversion: - http://www.ostrecovery.co.uk/from-ost-to-pst.html