An image processing apparatus includes: a display unit capable of displaying image data in a one-image display mode, in which images are displayed one by one, and a multi-screen display mode, in which a plurality of images is displayed at the same time; a selection unit configured to select between the one-screen display mode and the multi-screen display mode; an editing unit configured to edit the image data; and a control unit configured to control the display unit so that when the one-screen display mode is selected by the selection unit, the image data edited by the editing unit is displayed and when the multi-screen display mode is selected by the selection unit, information indicating that the image data is edited is displayed together with the edited image data.