I have two sets of data, each is 701478 rows by 5 columns. I want ....

I have two sets of data, each is 701478 rows by 5 columns. I want to find, select, copy and past only all of the rows that are identical between the two sets. How do I do that?

@robertarens37 - Is this an update of your earlier question? Please: (1) do not post as “wiki”; and (2) do not post duplicate questions. If you need to, you can update your old one. Two good answers have been provided there which should also help you with this case.