If you press SHIFT+F8 in extended selection list boxes, you enable extended selection mode. In this mode, you can use an arrow key to move a cursor without changing the selection. You can press CTRL+SPACEBAR or SHIFT+SPACEBAR to adjust the selection. To cancel extended selection mode, press SHIFT+F8 again. Extended selection mode cancels itself when you move the focus to another control.

* CTRL+TAB (Move forward through the tabs)
* CTRL+SHIFT+TAB (Move backward through the tabs)
* TAB (Move forward through the options)
* SHIFT+TAB (Move backward through the options)
* ALT+Underlined letter (Perform the corresponding command or select the corresponding option)
* ENTER (Perform 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 key (Display Help)
* F4 key (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)