OST PST Conversion - Version 3.0 OST PST conversion software is devised specifically to extract data from inaccessible OST files and save them in PST file format so that the data is easily accessible with MS Outlook. OST to PST recovery software can be used to scan orphan or inaccessible Exchange offline storage files (.OST File) and recover your email messages and other items, so as to ensure you don't lose any data. OST PST file converter Software one can convert all components from MS Exchange Offline Storage files including emails, calendar, journals, notes, contacts, tasks etc. Software is supportive to Microsoft Exchange 5.0, 5.5, 2000, 2003, 2007 and 2010. Globe Softwares gives you wonderful OST PST file converter software for simply convert your OST data. After check evaluation version you need to buy full version only in 249 USD.