Version information set at a client terminal apparatus (110) is received. Identification data and print data generated at the client terminal apparatus (110) based on a file set at the client terminal apparatus (110) are received. Identification data of the file of the version indicated by the version information received from the client terminal apparatus (110) is acquired from a document management server (120). If the acquired identification data matches the received identification data, a print process is executed by using the received print data. Otherwise, a file corresponding to the acquired identification data is acquired from the document management server (120), and a print process is executed by using print data based on the acquired file.