Hi All
Hope anyone can help, I need to do a look-up between four cells
A1 A2 A3 A4
1234 10 1234 10
I would like to be able to lookup A1 and A2 and compare it against A3 & A4 and if cells a1 and a2 do not match cell a3 and a4 then it will bring up an n/a. I can write the lookup if it was just cell a1 for example but i've no idea how to do a lookup which includes a1&a2 against a3&a4 any ideas anyone?
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