Finding duplicate e-mails

[John Sullivan]

I would like to be able to find duplicate e-mails in a
column form the many rows of e-mails that are listed.
Please advise. Thanks.

 

[Ron de Bruin]

Check out this website
http://www.cpearson.com/excel/duplicat.htm

Or see Debra's site
http://www.contextures.com/xladvfilter01.html#ExtractWs