If you are looking for the best solution to simply change EML file in PDF format with all attachments, then download the EML to PDF Converter that supports all Windows OS editions like Win 8, 9, 11, Vista, XP, etc. and Mac OS versions such as Monterey, Big Sur, Catalina, Mojave, High Sierra, etc. It provides the simple GUI interface to easily change EML file in pdf format online without losing formatting. The software supports to all EML email applications such as Windows Live Mail, Thunderbird, Live Mail, Outlook Express etc. There is no required to install any of the supported email clients. To know more about how to change EML file in PDF online, all clients can use free trial edition of software. The trial version allows you to convert first 25 EML files for free.