Excel Two Columns With Duplicates

Question

So I have two columns in excel with column A containing nearly the exact same data as column B.

I need a way to Match column A with Column B and any values that are

Answer 1

In cell C1 use this formula:

=IF(VLOOKUP(B1,A:A,1)=B1,"",B1)

Copy and paste it to all rows that have a value in column B and it will show the unique values.

Then copy column C to column D by Paste Values so that you can sort it / filter out blanks.