What’s the functionality of an MBOX 2 PST Converter? It is used to convert MBOX files of any MBOX email client to MS Outlook supportable PST format. Kernel for MBOX to PST Converter is the most renowned tool for the purpose. It can accurately convert MBOX files of Eudora, AppleMail, Netscape, Opera, WebMail, Thunderbird, Spicebird, PowerMail, Postbox, GyazMail, Sylpheed, Mulberry, etc. to PST format without observing any error.