It is an object to reduce a troublesomeness required to export/import an address book (destination table) between image processing apparatuses. For this purpose, at the time of import request of destination data for import, an import instruction to a group destination table is made. A group destination table ID which coincides with a destination table ID obtained from the destination data for import is retrieved. The group destination table associated with the group destination table ID is specified as a group destination table of an import destination side. The destination data obtained from the destination data for import is imported as destination data into the specified group destination table (group destination table DB).