A data processing apparatus communicates with an external apparatus, using any of a plurality of communication manners including a first connection manner via a network and a second connection manner that is different from the first connection manner, searches for an external apparatus capable of executing a predetermined function, selects an external apparatus found in the search as a connection-target device, and controls such that, in a case where the selected external apparatus has been connected to previously and content data has been transmitted to the external apparatus previously, communication is performed with the external apparatus using the first connection manner, and controls such that, in a case where content data has not been transmitted to the external apparatus previously, communication is performed with the external apparatus using the second connection manner.