Try This:
Switch to previous/next layout orientation (for example, portrait, landscape)
On Windows
- left-Ctrl + (F11 or F12)
- KP7 or KP9
On Mac (depending on your keyboard configuration):
- Ctrl + (F11 or F12)
- Ctrl + Fn + (F11 or F12)
- KP7 or KP9
On Linux
- Ctrl + (F11 or F12)
- KP7 or KP9
Reference: