The app doesn't currently support printing or saving emails to PDF. Mozilla connect is the community platform to request and vote for new features and ideas. You're welcome to add your own ideas or up-vote an existing one. https://connect.mozilla.org/t5/ideas/idb-p/ideas/label-name/thunderbird%20android Printing and saving to PDF have been requested by the community, linked below. https://connect.mozilla.org/t5/ideas/ability-to-print-email-messages/idi-p/71885 https://connect.mozilla.org/t5/ideas/save-message-as-pdf-in-thunderbird-for-android/idi-p/38989 The more votes received, the greater chance an idea has of being implemented. Please consider showing your support.