property Items.CellFont ([Item as Variant], [ColIndex as Variant]) as IFontDisp
Retrieves or sets the cell's font.

TypeDescription
Item as Variant A long expression that indicates the item's handle, or optional if the cell's handle is passed to ColIndex parameter
ColIndex as Variant A long expression that indicates the column's index or cell's handle, or a string expression that indicates the column's caption.
IFontDisp A Font object that indicates the cell's font.

By default, the CellFont property is nothing. If the CellFont property is noting, the cell uses the item's font.  Use the CellFont and ItemFont properties to specify different fonts for cells or items. Use the CellBold, CellItalic, CellUnderline, CellStrikeout, ItemBold, ItemUnderline, ItemStrikeout, ItemItalic or CellCaptionFormat to specify different font attributes.