Bem-vindo as Extensões para o Thunderbird.
Adicione recursos e estilos extras para tornar o Thunderbird só seu.
FecharDisable DragAndDrop (for Thunderbird 68+) 5.0.0
por Takayama Fumihiko
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
Sobre esta extensão
This extension prevents unintended folder movement.
Website: https://disable-draganddrop-tb.pqrs.org/
dev: https://github.com/pqrs-org/disable-draganddrop-tb