3.9.2 To Navigate Buttons

A button is a control that you use to start an action. Most buttons are rectangular and contain a text label.

The following table lists the keyboard shortcuts that you can use to navigate buttons.

Keys	Function
spacebar	Activate the button that has focus. This is the equivalent of clicking on the button.
Return	Activate the button that has focus or, if no button has focus, perform the default action for the dialog.