When i draw a design in corel x4, after i export it in tiff format in cmyk color scheme (open another software), then that design open but overprint option not work, i mean black comes in all channel like c m y,,,,, evern i selct option "overprint" in corel draw, and check it in corel where privew show true with black overprint, but after export object, then that object's black overprint comes in all other color.
help me this regard.
thanks