Choose WindowDisplay > Toggles > Canvas Planes.
Sometimes you may want to temporarily turn off the visibility of canvas planes in your view windows.
To hide or show all canvas planes in all windows
The canvas planes and their layers disappear. Only an outline and name remain for each canvas plane.
To hide or show canvas planes in a single window
The canvas planes and their layers disappear. Only an outline and name remain for each canvas plane.
To hide or show a specific canvas plane
The canvas is hidden, including its name and outline.
See also Hide or show an image layer.