I would like to suggest you BitRecover EML to PDF Wizard which comes with multiple advanced features. According to me it is an effective software. Software Features It is capable to convert EML to PDF inclusive of attachments. It gives permission to convert multiple EML files to PDF at once. It comes with multiple file naming options to maintain PDF files accordingly. It supports EML files of several email clients i.e. Windows Live Mail, eM Client, etc. It creates separate PDF document for each EML file. It has an inbuilt option to convert EML to PDF with Black and White mode. It offers facility to store resultant PDF documents at desired destination path.
All this can be done in a matter of a couple of minutes in most cases.