| 摘要 |
A user authenticating section receives an access request from any one of a plurality of users and authenticates the user. An access controller selects a file format to which an access has been permitted from among a plurality of file formats, based on the access route of the user. An access executing section obtains registration information of a file format that has been selected by the access controller, from a registration information database, and transmits this registration information to the user.
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