Dux ost to pst converter software is the best software to convert ost mailbox items in to pst file this software is convert all ost file items using some simple steps this software is convert all version 32bit and 64bit ost file this software is convert all ost file in to pst file. For more info visit this link https://www.duxdatarecovery.com/ost-to-pst-recovery.php