A display apparatus includes a display; a communication circuit configured to communicate with a first external device or a second external device; a storage configured to store a list of a first content group designated to allow sharing by a first user of the first external device, a second content group designed to block sharing by the first user, a third content group designated to allow sharing by a second user of the second external device, and a fourth content group designated to block sharing by the second user; and a processor configured to: selectively process a content list based on detection of the first external device and detection of the second external device through the communication circuit.