To convert EML files to PDF format exported from various email clients you have to go for third party tool which is reliable and best way is EML to PDF Converter. It will not only convert Thunderbird EML to PDF but will allow to convert .eml exported from various email clients. Tool is available with two conversion modes “Select Files” and ”Select Folder”. One is for those who want to convert Thunderbird EML to PDF selecting multiple files and other is for those who have collected n number of emails in a single folder having multiple folders. To batch print Thunderbird Email to PDF simply take backup of Mozilla Thunderbird emails by selecting the emails using CTRL+A and after that dragging to the required folder where you will get emails in .eml format. Now try free version of the EML to PDF Converter to batch print Thunderbird Email to PDF, it will convert 25 emails only and put water mark to the converted files for unlimited conversion use full licensed version. EML to PDF Converter converts emails with attachments and provides option to convert attached files too.