This test formula works correctly USING ONLY 1 COLUMN: AC9:AC208
=SUMIFS(Z9:Z208,AC9:AC208,DV15)
However, I have 2 sets of columns non contiguous: AC9:AW208 and CD9:CX208
This is an idea of what I'm trying to achieve:
=SUMIFS(Z9:Z208,AC9:AW208,DV15) + SUMIFS(Z9:Z208,CD9:CX208,DV15)
Much...