Bem-vindo as Extensões para o Thunderbird.
Adicione recursos e estilos extras para tornar o Thunderbird só seu.
FecharSobre esta extensão
In order to make the addon work with Thunderbird 78 a complete rewrite was needed. This reintroduced the bug of not being able to log out or switch accounts from the Google Keep tab. The work around for this is to close the tab, go to tools -> clear recent history, change time range to everything and select cookies and cache to clear, and then open the tab again.