Microsoft Exchange OST to PST software quickly repair exchange OST file & also recover OST file outlook with fully mailbox elements- Inbox, Outbox, Sent Items, Deleted Items, Draft, Journals, Tasks, Calendars, Notes, and Contacts. Superb Microsoft exchange OST tool easily recover data OST to PST, MSG, EML and HTML. Microsoft OST to PST conversion program works on all OST file versions-5.0/5.5/2000/2003-2013.