Repair OST Free - Version 3.3 Repair OST Free solution remove error of Outlook OST files and convert OST file to PST, EML and MSG file format. Repair OST to PST Free is software to access corrupt or inaccessible OST file which is corrupt during Exchange Server crashed time. When Exchange Server becomes down then OST file play vital role for Outlook user because user can easily restore emails form Offline OST file and convert OST file to PST file and easily open in Microsoft Outlook. This software successfully runs on all editions of Windows Operating System (Windows 9X/ME/NT/2000/XP/Vista/Windows 7) as well as supports all Outlook versions such as 2010, 2007, 2003, 2002, 2000, 98 and 97. This software converts all OST file which is created under Microsoft Exchange Server 2010, 2007, 2003, 2000, 5.5 and 5.0 as PST file format. If users want to try this software then use Demo Version of this software. After use of Demo Version user get desire result and they want to buy this software then invest only $99. Get more info visit-: http://www.ostfilerepair.com/