Import OST Files to Outlook PST - Version 3.6 Import OST Files to Outlook PST solution restores inaccessible OST files which store in client system because, it stores carbon copy of emails on Exchange Server and keeps record of every emails. If you are outlook user, then you can use this solution and restore OST files and make it accessible as PST file format. Import OST to PST software runs on all Windows Operating System, MS Outlook version and MS Exchange Server. First you will try free demo version functionality, demo version see the preview of recovered items. If you fulfilled software recovery procedure then purchase full edition of our software Import OST Files to Outlook PST just at $99.