To Add OST files to Outlook PST our comprehensive Outlook OST to PST is apt tool which cautiously and precisely can carry out conversion of OST file to Outlook PST without alteration into database. It preserves OST mailbox contents like: journals, contacts, calendar, notes, tasks, delete a folder and other folders. OST to Outlook PST application provides the best options to save the recover items in PST, EML or MSG layout for further use.