OST File Viewer - Version 3.4 Now you want to open damage OST file then use OST File Viewer Outlook software to visible this file in MS Outlook with complete OST email. You can convert OST to various formats like PST, MSG and EML. Maintenance of formatting of RTF and HTML as present in original OST files with OST Files Viewer Free software and recover all OST mailbox items like mails, journals, contacts tasks etc as they will be form of MS Outlook PST file. This software supports all Microsoft Outlook versions such as 2010, 2007, 2003, 2000 and 98 or compatible windows versions like as 98, 2000, 2003, XP, Vista and Win 7. Preview all data with demo version of this software which is free of cost. If you need to save this converted data for long time and further use then purchase full licensed version of OST File Viewer Software at just only $99. Download this software visit: - http://www.ost2pstsoftware.com/