A method of preparing and displaying a cumulative presentation and a presentation system are provided. A listing of available individual presentation files is provided through a user interface. Each of the presentation files comprises a plurality of presentation slides. A user is queried through the user interface to select presentation files from the available individual presentation files for inclusion in a cumulative presentation in a selected presentation order. A listing of presentation files selected by the user is displayed in the user interface. In response to a first command received from the user, a first slide from a first presentation from the cumulative presentation is provided to a display device for display thereon. In response to a second command received from the user, a second slide from the cumulative presentation is provided to the display device for display thereon.