The Maximize Viewport Toggle switches any active viewport between its normal size and full-screen size.
The Maximize Viewport toggle is found on the lower right of the Viewport
-
Activate any viewport. > Viewport navigation controls > (Maximize Viewport Toggle)
Note: How you navigate viewports depends on which
interaction mode, 3ds Max or Maya, is active.
Tip: The keyboard shortcut is especially useful for quick toggles.