I trying to apply conditional formatting on selected cells (A2:C2) with condition that if all aren’t filled all selected cells must be in color red, once they all are filled then the color should be white.
I am using Google sheets, formula used is
>Solution :
You may try this custom formula
within CF
=COLUMNS($A2:$C2)-COUNTBLANK($A2:$C2)<>COLUMNS($A2:$C2)