A document display system is provided which includes a first document display device, and a second document display device. The first document display device includes a display processing portion configured to display an electronic document, a settings update portion configured to update display settings information indicating latest display settings in response to operation for modifying settings by a user during a period in which the electronic document is displayed, and a document transmission portion configured to send out the electronic document and the display settings information. The second document display device includes a document obtaining portion configured to obtain the electronic document and the display settings information sent out from the first document display device, and a display setting portion configured to incorporate settings for display settings indicated in the display settings information into display settings to be applied at a start of display of the electronic document.