An information processing system includes: a terminal; and a file server. The terminal includes: a first communication unit configured to receive data from the file server; a display unit configured to display the data; and an editing unit configured to add an image associated with workflow processing, to the data. The first communication unit is further configured to transmit the data to which the image is added, to the file server. The file server includes: a second communication unit configured to transmit the data to the terminal and receive the data to which the image is added, from the terminal; and an executing unit configured to execute the workflow processing associated with the image.