Use sumproduct
=SUMPRODUCT((B1:B100="x")*(C1:C100="y")*(D1:D100))
--
JNW


"Kitbasher" wrote:

I have a long log and I need to look up and sum if it meets certain criteria.
I have used sumif and that works for one criteria but how do I do a sumif
type function if I have more than one.

If B1:B100=X and C1:C100=Y then SUM D1:D100 if they contain both X&Y