help to compare two list

[itty]

I have a file with all the open orders for production and I have another
file with orders which is already sent to production. I want to find
out from the first list, which orders are not send for production.
Thanks.

 

[J.E. McGimpsey]

Take a look at

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

 

[itty]

Thank you Mr.J.E. McGimpsey. This is what I was looking for.
Thanka a lot