Outlook OST to PST - Version 3.3 Outlook OST to PST software convert OST file to PST because .OST is not open in Outlook. If Exchange Server is crash then loss Email data but mail is important for user so user want to restore the loss email data, for this purpose Converting Outlook OST File to PST tool works good on Offline Exchange server to recover the loss email data after that convert into PST file format to open OST file to PST file in Outlook. The Outlook OST File to PST supports all Exchange Server (2010 to 5.0) and MS Outlook (2010 to 97). Our software provides comfortable conversion from OST to PST professionally. Using Demo Version of Outlook OST to PST software free of cost, if you want to try this software then download from website. After demonstration you want to purchase full version of software invest only $99. Download this software and get more info visit: - http://www.ostrecoverytool.org/