Question: how to find the intersection of two columns in excel?
Answer: Find intersection of two lists with formula Select a blank column, copy formula =IF(ISERROR(MATCH(B2,$C$2:$C$9,0)),"",B2) into the Formula Bar and then press the Enter key. See screenshot: Note: In the formula, B2 is the first cell of the first list, $C$2:$C$9 is the range of the second list.