Dialog box keyboard shortcuts

Press	To
CTRL+TAB	Move forward through tabs.
CTRL+SHIFT+TAB	Move backward through tabs.
TAB	Move forward through options.
SHIFT+TAB	Move backward through options.
ALT+Underlined letter	Carry out the corresponding command or select the corresponding option.
ENTER	Carry out the command for the active option or button.
SPACEBAR	Select or clear the check box if the active option is a check box.
Arrow keys	Select a button if the active option is a group of option buttons.
F1	Display Help.
F4	Display the items in the active list.
BACKSPACE	Open a folder one level up if a folder is selected in the Save As or Open dialog box.