Install budgie-window-mover-applet by entering the following commands in the terminal:
sudo apt update sudo apt install budgie-window-mover-applet
Applet allows moving windows between workspaces for the Budgie Desktop
This is part of a suite of python3 based applets for the Budgie Desktop that provide additional user orientated capabilities. The applets can be used individually or as a set. . The Window Mover applet allows the user to quickly move windows to any of the other workspaces. Just drag a window to the bottom of the screen and a bar will popup, representing the workspaces. Click on any of the numbers (or press the corresponding number on the keyboard) and the window will move to that workspace.