A communication apparatus that performs wireless communication with an external apparatus includes a display control unit to control a display unit so as to display a help screen for providing an explanation of an operation of the external apparatus, and a detection unit to detect a wireless signal transmitted from the external apparatus while no network with the external apparatus is formed. When operation information corresponding to a user operation on the external apparatus is included in a wireless signal detected by the detection unit, the display control unit controls the display unit so as to display the help screen corresponding to the operation information while no network with the external apparatus is formed.