Patent ID: 8427664

Claim:
An electronic file approval management system comprising an information terminal device for an electronic file creator creating an electronic file and an information terminal device for an approver approving the electronic file; the information terminal device for the approver comprising: an electronic information transmission reception unit for the approver storing and retrieving electronic information with the information terminal device for the electronic file creator; an input unit for approving the electronic file being input an approval result by a user of the electronic file received by the electronic information transmission reception unit; a first print data conversion unit converting the electronic file into first print data from the approval result input to the input unit for approving the electronic file, the print data having a data structure comprising information to be printed, attribute information and approval information; a first approval information extraction unit extracting first approval information of the electronic file from the first print data converted by the first print data conversion unit; and an approval key creation unit creating an approval key from the first approval information extracted by the first approval information extraction unit; the information terminal device for the electronic file creator comprising: an electronic file creation unit creating the electronic file; an electronic information transmission reception unit for the electronic file creator storing and retrieving the electronic information with the information terminal device for the approver; a second print data conversion unit converting the electronic file into second print data; a second approval information extraction unit extracting second approval information of the electronic file from the second print data converted by the second print data conversion unit; and an approval key authentication unit determining whether or not to make an approval from collation of the second approval information extracted by the second approval information extraction unit and the approval key transmitted from the electronic information transmission reception unit for the approver.