Export OST Database to PST - Version 3.0 Export ost file to pst file software helps to convert .OST file to .PST file. Software also functions as ost recovery software and recovers permanently deleted emails of "Deleted Items" folder. Convert images, emails, attachments, drafts, and recover permanently deleted emails from "Deleted Items" folder. OST to PST Conversion converts .ost file of ms exchange server to .pst file which is then easy to access with MS Outlook. Software provides two more options to save the .ost file: .EML and .MSG accessible with MS Outlook and Outlook Express. Evaluation version of ost to pst conversion. When MS Exchange server goes down then SysTools for OST to PST converter software perfectly helpful tool for converting OST file to PST file. Software successfully runs on Windows 98, 2000, XP, 2003, Vista and Windows 7. You can download our software free of cost, its show only preview of recovered data but can not save it, you can save recovered data and convert OST to PST file by purchase full license version at $99.