An electronic device includes a first housing including a first housing comprising a first side surface, a second side surface positioned on an opposite side of the first side surface, a first plate disposed between the first side surface and the second side surface, and a first display; a second housing comprising a third side surface capable of facing at least a part of the second side surface, a fourth side surface positioned on an opposite side of the third side surface, a second plate disposed between the third side surface and the fourth side surface, and a second display, the second housing having a recess disposed on a rear surface of the second plate; and a third housing comprising a keyboard having multiple movable keycaps, the third housing being coupled so as to rotate with at least a part of the fourth side surface or to slide through at least a part of the fourth side surface such that the third housing is configured to be received in the recess.