How to install Thunderbird on Ubuntu 20.04 Focal Fossa Linux Desktop - LinuxConfig.org

In this tutorial we will be installing the Thunderbird email,news, chat client and RSS reader developed by the Mozilla Foundation on Ubuntu 20.04 Focal Fossa Desktop
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-install-thunderbird-on-ubuntu-20-04-focal-fossa-linux-desktop

Correction to command line installation:
$ sudo apt install thunderbird
(lower case ‘t’)

thanks…this will be updated shortly