Just make use of OST Recovery Freeware Software which supports to recover corrupted emails or mailbox folders from damaged OST file and successfully convert them into existing outlook profile, EML, MSG, HTML, MHTML, RTF, TXT, DOC, PDF, MBOX and outlook profile etc. OST to PST Recovery Software gives messages filtering option to recover emails by dates selection "From date" to "To date" etc. Software supports OST versions upto 2016.