OST file become unusable due to deletion or corruption of EDB file on MS Exchange Server. At that time, Offline Storage Table (OST) file available on user’s computers help you recover the lost emails, notes, contacts, attachments, journals, calendar items, tasks, sent items, drafts, etc. However, for that you need to convert OST to PST because by no way you can access the OST file with MS Outlook. Convert OST to PST tool scans the orphan OST file and lists the recovered email folders in a tree like structure. The software allows you to preview the recovered email items before saving them on your computer as PST file. By recovering the data stored in the OST file the convert OST to PST tool saves you from data loss. While scanning the OST file, the software uses advance algorithms due to which it saves the data formatting, email structures, and email properties, such as To, Cc, Bcc, Date, and Time. Convert OST to PST software supports MS Outlook 2010, 2007, 2003, 2002, 2000, 98, and 97 and MS Exchange Server 2010, 2007, 2003, 2000, 5.5, and 5.0. The convert OST to PST software can be installed on any version of Windows operating system, such as Windows 7, Windows Vista, Windows XP, Windows 2003, Windows 2002, and earlier versions. The software is also available for a free demo. The free demo version works similar to the Full version of the software but does not allow saving the recovered items. You can preview the recovered items with the free version but cannot save them. The full version of the Convert OST to PST software should be purchased to save the OST to PST. Once the OST is saved into PST file it can be opened with MS Outlook.