You need specialized software like Enstella OST to PST Recovery Software to export the OST file to PST in Outlook 2013. If you have an inaccessible, error, or damaged OST file then convert it into different types of OST file formats like OST to PST, EML, MSG, ELMX, MBOX, HTML, Zimbra, VCF, & ICS. It is the most effective software to convert OST to PST format. No MS Outlook installation is required for using the software.
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https://www.enstella.com/ost-to-pst-recovery.html