To easily obtain print data individually instructed to print and print data printable by a plurality of users by displaying the print data individually instructed to print and print data printed to be shared by the plurality of users in a discriminable manner.

User identification information for identifying a user and group information of the user are received by authenticating information input according to the user's operation, bibliographic information of print data matched to the received user identification information and bibliographic information of print data matched to the received group information are obtained, and the obtained bibliographic information is list-displayed. In the list display, bibliographic information of print data matched in the user identification information and bibliographic information of print data matched in the group information are displayed in a discriminable manner.

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