OST File Conversion - Version 3.3 OST File Conversion software restore corrupt or inaccessible OST file from Exchange Server later than flawlessly convert OST file into PST file format. Saves recovered items in .PST file format as well as recover emails from encrypted files. OST files is create under Microsoft Exchange Server which is a copy of the emails occupies on server but it not open in MS Outlook, you want to open it then use OST File Conversion Tool to repairs easily corrupt OST file and convert to PST files format. The OST Error Exchange software supports all the Windows OS (Operating System) like Windows 7/Windows Vista / 2003 / 2000 / XP (with Service Pack 2) as well as Microsoft Exchange Server 2010, 2007, 2003, 2000, 5.5 and 5.0. OST Recovery (OST Error Exchange Server) recovers email properties items and restores email data such as email messages, folders, posts, appointments, contact addresses, tasks, meeting requests, journals, notes etc. Demo version of this software provide facility to test the process free of cost, after happiness with demonstration of demo edition you purchase full