If you need to Transfer Emails, mails from damaged OST to new Outlook PST file.....SO Relax! I suggest you Good Third-party tool name of KDETools Outlook OST to PST Converter software which provides many Outlook Key-features-
1- Recover Damaged Outlook OST file..
2- Convert OST to PST Outlook..
3- Split large PST files size after conversion OST files.
4- Export Emails properties.
5- Conversion many types of Outlook OST files in many formats such as- pst free online, office 365, Live Exchange server, Gmail, OLM, NSF, EMLX, vCal, vCard, EML, MSG, HTML, Zimbra, PDF, MBOX, and etc.