Here is an excellent
exchange edb to pst tool available at
http://edbtopstconvertertool.hatenablog.com/ which converts edb files and export all mailboxes or required email items from edb files to accessible outlook pst files including all items like inbox, sent items, drafts, tasks, notes, appointment, contacts, etc. it recovers corrupt or inaccessible edb files and recover permanently deleted or lost email from exchange mailbox and save new pst files at user defined location.