ELECTRONIC INFORMATION GROUP SHARING SERVER DEVICE AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To provide an electronic information group sharing server device and a computer program for reducing a burden required for updating management information of a target file (electronic information group) and preventing occurrence of update mistakes when a group to which a user belongs is changed. SOLUTION: When first group information in a user management database 13 is updated, a file selection part 21 acquires corresponding user management data to acquire file management data of all the files and folders related to a user ID included in the acquired user management data from a file management database 15. Based on type information, access restriction information and third group information, the file selection part 21 selects file management data, in which second group information is to be updated, from respective file management data and outputs the file data as update approval information to a client device 3 of the user. COPYRIGHT: (C)2008,JPO&INPIT