20. A recording medium which stores a program which, when executed, allows a computer to perform a function comprising: obtaining color attribute information of a document file, the color attribute information including information indicating whether the document file is expressed in color, the color attribute information including information indicating a percentage of a color region contained in the document file; displaying a document icon which represents the document file, the document icon including a thumbnail image of the document file and a region percentage display image, the thumbnail image of the document file being displayed in color when the obtained color attribute information indicates that the document file is expressed in color and the region percentage display image being an image of a graph representing the percentage of the color region in the document file in accordance with the obtained color attribute information; comparing the obtained color attribute and at least one print setting of at least one printer; determining a print setting suitable for printing of the document file based on comparing the obtained color attribute and at least one print setting of at least one printer; and displaying a printer icon which represents a print setting of a printer determined as being suitable for the printing of the document file, in a manner to attract attention, when the document icon of the document file is selected by a user.
20. A recording medium which stores a program which, when executed, allows a computer to perform a function comprising: obtaining color attribute information of a document file, the color attribute information including information indicating whether the document file is expressed in color, the color attribute information including information indicating a percentage of a color region contained in the document file; displaying a document icon which represents the document file, the document icon including a thumbnail image of the document file and a region percentage display image, the thumbnail image of the document file being displayed in color when the obtained color attribute information indicates that the document file is expressed in color and the region percentage display image being an image of a graph representing the percentage of the color region in the document file in accordance with the obtained color attribute information; comparing the obtained color attribute and at least one print setting of at least one printer; determining a print setting suitable for printing of the document file based on comparing the obtained color attribute and at least one print setting of at least one printer; and displaying a printer icon which represents a print setting of a printer determined as being suitable for the printing of the document file, in a manner to attract attention, when the document icon of the document file is selected by a user. 21. The recording medium according to claim 20 , wherein when the print setting represented by the printer icon to which the document icon is correlated is determined as being not suitable, a printer icon which represents print setting determined as being suitable is newly displayed.