Convert OST File to PST File - Version 3.8 Convert OST PST software quick retrieve OST Emails (Offline Storage files) and completely Convert OST file to PST file. This software provides advanced facility for user to Convert OST File to PST File, EML, MSG file also. Convert OST2PST Freeware can swiftly convert emails, contacts, tasks, notes, calendar, journal, and to do list without any lose of data. Software successfully runs on windows 98, 2000, ME, XP, Vista and Win7. This software utilize to examine, extracting in few moments only and you will use whole OST data in PST format. All your calendaring schedules, meetings, appointments drafts, Sent Items, tasks, and permanently deleted emails from the ost files will get converted in PST.