How to combine MBOX file to PDF on Mac OS? Download the latest MBOX Mac file converter toolkit, it helps you to combine MBOX file to PDF on Mac including complete MBOX files meta properties, images, attachment files, etc. By using our Mac MBOX file converter, you can also combine MBOX file to PDF on Mac in batch mode too with no data loss at all. Software supports to combine MBOX file to PDF format as well as O365, MSG, EML, EMLx, PST, Yahoo server, IMAP server and more.