To convert damage or inaccessible OST file to PST Outlook file format in a few little moments, use the best vMail OST to PST Converter application. Before the actual conversion work, it can display recovered mailbox preview along with emails, notes, contact, attachment, task, and draft, journals, sent item, delete item, and many more. It supports cloud-based application Office365 & Live Exchange Server.
Know more info- https://www.vsoftware.org/ost-to-pst-converter.html
If you want a reliable and secure option for migrating your OST file to Outlook PST file format. You can try OST to PST converter tool which can easily convert your OST file into multiple file formats like PST, vCal, vCard, MSG, EML, and HTML. This tool also exports OST mailboxes into Office 365 mailboxes. The tool is compatible with all versions of MS Outlook, and Windows OS. Refer:- https://www.softaken.com/blog/why-you-need-ost-to-pst-converter