OST File Retrieval Software - Version 3.5 OST File Retrieval Software restores Emails from Offline Storage files (.OST). Offline folder creates under Microsoft Exchange Server 4.0, 5.0, 5.5, 2000, 2003, 2007 and 2010. Outlook Email is corrupt and deleted from Mailbox account then OST File Retrieval Software restore emails from OST files because it keeps copy of emails and does not open in Outlook, after retrieval of OST files convert into PST, EML and MSG file format. This software runs as Microsoft outlook 2010, 2007, 2003, 2000, 98 and works as windows versions like as 98, 2000, 2003, XP, Vista and Win 7. Download Trial Version to try the software process free, after demonstration if you satisfied then purchase full version software at $99. You can purchase full version of this software just at $99. For more details click this link. -: http://www.convertostfile.com