To transfer OST to PST file through OST to PST Converter software which has must powerful solution to fix damaged OST files. This OST conversion tool also convert Emails properties in MS Outlook PST file like- To, Bcc, Subject, from, and etc. easily. Along with You can simply use this tool which conversion many files from OST to PST, EML, EMLX, MSG, HTML, vCal, vCard, and MBOX file format.
OST converter software
https://www.kdetools.com/ost/