I can't get this formula to work. I suspect I'm missing something relatively simple.
IF(H6=".Last Three Months.",SUMPRODUCT(--('Data Entry'!F4:F503=>'formulas'!H1),--('Data Entry'!F4:F503=<'formulas'!H2),--('Data Entry'!K4:K503,"Yes"),SUMPRODUCT(--('Data Entry'!H4:H503=H6),--('Data...