You can concatenate them

=INDEX(M1:M100,MATCH(A1&B1&C1,G1:G100&H1:H100&I1:I 100,0))

which is an array formula, so commit with Ctrl-Shift-Enter

--

HTH

RP
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"krk" wrote in message
...
Hej,

how is it possible to look up a value in a dataset, when it's determined
by
three differet "look up values"?