Alt+9
Updated: 11/12/2023 by Computer Hope

Alt+9 is a keyboard shortcut most commonly used to activate the last app on the shelf. Below are other programs that use this keyboard shortcut and related information.
How to use the Alt+9 keyboard shortcut
To use the keyboard shortcut, press and hold either Alt key, and while continuing to hold, press 9.
Alt+9 on a Chromebook
Pressing Alt+9 on a Chromebook opens the last app on the shelf.
Related keyboard shortcuts and keys
Below are links to related keyboard shortcuts and individual key pages.