An electronic device is provided. The electronic device includes a housing having an opening, a roll installed in the housing, a flexible display configured to be wound on the roll and to be withdrawn from the housing through the opening in accordance with a rotating direction of the roll. The electronic device further includes moveable housing parts and a housing guide configured to guide and retract at least one part of the housing as space within the housing becomes available due to withdrawal of the flexible display, so that a height, width and/or overall size of the housing is reduced when the flexible display is withdrawn through the opening and extended outside of the housing.