Now Microsoft Exchange Server is deployed by many organizations. Exchange OST file is just replica of Exchange Server which creates on offline mode. But when Exchange server gets crash due to some mutual reasons, then you lost your entire OST file information's. To get best solution of this situation you have to try exchange OST recovery which can easily repair heavy damaged Exchange OST files. Advance Exchange OST into PST software gives spectacular performance on Offline mode to recover OST files from Exchange Server and easily open OST file as PST after conversion. The Free OST File Browser software supports all Versions of MS Outlook (97, 98, 2000, XP, 2003, 2007 and 2010). It support all Windows Version (95, 98, ME, 2000, XP, 2003, Vista and 2007) and flawlessly convert OST file to PST file. The Exchange OST to PST tool scanning of inaccessible OST file and then retrieves all existing emails, calendar, journals, notes, contacts, tasks etc and convert OST file to PST without any data loss. Trail version of this software free for user because user can easily try the process of software after that invests money. After try of Trail Edition user want to purchase full version then pay only $99. For more details about this software visit-: http://www.exchangeostrecovery.net