Exchange OST to PST File - Version 3.3 OST PST Conversion tool can easily perform OST to PST conversion and process OST data into PST data very fast. You can easily recover all your emails, personal folder, calendars, contacts, journals, draft appointments and notes .User can Exchange .ost to .pst file with OST PST Converter applying 2 simple steps. Software converts OST to PST file the using OST to PST Conversion Tool and user can benefit from the feature of maintaining RTF and HTML text formats same as present in genuine OST files. Software has a facility to convert OST file to PST even after accidental deletion of exchange user account or mailbox, encrypted OST files are also recovered. Exchange OST to PST file Converter supports MS Exchange 5.0, 5.5, 2000, 2003 and 2007 easily. If user wants to incident the functionalities of OST PST Converter, then have to download free demonstration version of the tool. But with demo version you can scan and confirm OST files that are corrupted or damaged due to some reasons. To convert indefinite sum of OST file to PST file, user need to obtain Fully Fledged edition of OST PST