You can make use of 2013 OST to PST Converter Software that easily recover data from inaccessible outlook OST File and convert OST to PST 2013 with contacts, calendars, task, notes, inbox items, outbox items, journals. You can filter the emails by date and rename the emails using multiple naming conventions. There is facility of PST Splitting before saving OST to PST file data. Software convert selective mailboxes of OST to PST