Greatly recovery of corrupted OST file into existing outlook profile is possible with using this PDS OST to PST Converter Tool that nicely fix all OST file and convert OST to PST file, EML, MSG, HTML, MHTML, RTF/TXT/DOC, PDF, MBOX and Outlook Profile. During conversion, use messages filtering option to filter the emails according to dates for recovery and use multiple naming conventions to restore emails by subject, subject +date +from etc.