CTRL combination shortcut keys Key Description CTRL+PgUp Switches between worksheet tabs, from left-to-right. CTRL+PgDn Switches between worksheet tabs, from right-to-left. CTRL+SHIFT+( Unhides any hidden rows within the selection. CTRL+SHIFT+) Unhides any hidden columns within the selection. CTRL+SHIFT+& Applies the outline border to the selected cells. CTRL+SHIFT_ Removes the outline border from the selected cells. CTRL+SHIFT+~ […]