A communication apparatus communicates with an electronic apparatus, accepts input of connection information including first information, which is identification information of a first network to be used for wireless communication with an external apparatus, and second information, which is security information for connecting to the first network, and transmits the connection information to the electronic apparatus. The communication apparatus, when acceptance of the connection information starts, displays a first display region for accepting input of the first information and displays the first information acquired from the electronic apparatus in the first display region, and when acceptance of the connection information starts, displays a second display region for accepting input of the second information and displays dummy information in the second display region without acquiring the second information.