Transfer OST 2 PST - Version 3.3 Transfer OST 2 PST IS a professional email recovery software that successfully restore OST File to a PST File from Microsoft exchange server. OST Files get corrupted due internal corruptions such as virus attack, Trojan attack, user account deletions or other regions etc. Transfer OST to PST application supports recovery of emails OST files created using MS Exchange 2007, 2003, 2000, 5.5 and 5.0 Transfer OST 2 PST application supports for all windows version such as 98, 2000, 2003, vista, and windows 7.you can purchase Transfer OST 2 PST software $99. For more details: - http://www.exchangeosttopstconverter.net/