Hi.
You can use the INDEX function to create a dynamic range for your MATCH function.
So, instead of the hard coded Mold!C6:C9, you can try INDEX(Mold!$C$6:$E$9,0,C$2).
Mold!$C$6:$E$9 is the whole range, with all three columns.
The second argument in the INDEX function determines the row number, so when you type 0 (zero) for this argument, the Excel will consider all rows.
The third argument determines the column number, and for that we use the value in the heading row, C2.
I have also shortened up your VLOOKUPS, since you have locked the range to the first row.
The formula in C3 would be like:
Then you can drag it across.
Good luck!
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