An image which has been color-converted in correspondence with the output characteristics
of a printing press as a target for the purpose of proof may often be printed by
a copying machine or printer. Prior to the proof, a generation history of a generated
profile of an output device is preferably managed. The operator sets whether or
not to save parameters (saving location and profile name) associated with saving
of a file and colorimetric values, whether or not to save history management information,
and the like.