Alt+F9 is a keyboard shortcut most commonly used to hide and show field codes in Microsoft Word. Below are other programs that use this keyboard shortcut and related information.
How to use the Alt+F9 keyboard shortcut
If you're using a laptop or keyboard with an fn key, you may need to press the fn key first or press Alt+Fn+F9 for this keyboard shortcut to work.
Alt+F9 in Microsoft Word
Pressing Alt+F9 in Microsoft Word hides and shows field codes.
Related keyboard shortcuts and keys
Below are links to related keyboard shortcuts and individual key pages.