An instant solution for users to save EML files into PDF format is ZOOK EML to PDF Converter. It allows you to batch export EML to PDF with attachments in a single process and offers to print them. The software supports EML files of all email clients like Windows Live Mail, Windows Mail and Outlook Express. Users can run this program on any Windows supported platform.
https://www.zooksoftware.com/eml-to-pdf/