About all you would want to know about dupes is here.

http://www.cpearson.com/excel/duplicat.htm

HTH
Regards,
Howard

"matsgullis" wrote in message
...
hello i have two sets of data and i need to find the data that is not
listed
in the other data here some data i got
set1 set2
2865 326
3425 329
3459 332
chocp 720
Delay 3425
gwjennahb1 3459
gwlo785 chocp
gwpd900001 Delay
gwpd900002 gwjennahb1
gwpd900005 gwlo785
gwpd900007 gwpd900001
gwpd900008 gwpd900002

and i want to know how to get excel to show the data that is not listed in
the other set like this

set1 set2
2865 326
gwpd900005 329
gwpd900007 332
gwpd900008 720
how can i do it plz help