Find the differences between 2 Excel worksheets?

Question

I have two excel files with the same structure: they both have 1 column with data. One has 800 records and the other has 805 records, but I am not sure which of the 5 in t

Answer 1

excel overlay will put both spreadsheets on top of each other (overlay them) and highlight the differences.

http://download.cnet.com/Excel-Overlay/3000-2077_4-10963782.html?tag=mncol