OST recovery software recovers orphaned Outlook OST files and then converts into PST. User can easily recover OST email to PST and save corrupt OST data into Outlook PST file along with OST attributes like: inbox, drafts, deleted items, tasks, calendars, personal journals, etc. Recover OST to PST software is compatible with all Windows versions (such as 98, 2000, 2003, XP, Vista, Win7, Win8 etc).