Go for a best conversion tool to export EML files to PDF file on Mac i.e Mac EML to PDF Converter. The benefit of this app is that there is no loss of data while migrating EML files to PDF file on Mac in batch mode too. All Mac OS editions are well suitable with this app such as Monterey, High-Sierra, Catalina, and etc. For a demo purpose, 25 EML files to PDF file on Mac conversion is permissible free of cost.