a predetermined e mail address of the ram of the control part 121 step s 44 in this manner the file management apparatus according to the second embodiment correlates a file with information concerning the original sender by using a management table and therefore a plurality of files can be managed with one table therefore the search for a file becomes possible by making information concerning the original sender a search key here an attached file and information concerning the original sender may be correlated by means of the management table alone without adding by means of a mailer program 135 the e mail address of the original sender of an email to the attached file specifically the processing according to the mailer program 135 is made to be the step of transmitting the information concerning the original sender and the attached file title acquired in step s 3 to the file management program 137 in place of step s 4 of fig5 on the other hand the file management program 137 prepares a table wherein attached file titles and information concerning the original sender are correlated by transmitting and receiving information to and from the mailer program 135 and the file management program 137 a table which correlates an.