Dialog box keyboad shortcut

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)