Install xfce4-mount-plugin by entering the following commands in the terminal:
sudo apt update sudo apt install xfce4-mount-plugin
Description:
mount plugin for the Xfce4 panel
This plugin for Xfce displays a list of the various devices available, giving the opportunity to mount/umount them.
Homepage: http://goodies.xfce.org/
Version: 1.1.2-1
Section: universe/x11