Hi

Im working with Excel 2007

I have 2 lists. In column A I have components and in column B I have
companies.

A B
Memory Dell
CPU IBM
Board IBM
Power Supply Dell

I have drop down list in F2 that contain the B column list (companies).

1. I want to create in F3 another drop down list that related to F2.
Example €“ if I choose Dell in F2, I want to see in F3 €˜memory & €˜Power
Supply option only
2. How can I avoid duplication in the F2 drop down list?
3. Do I need to use the LOOKUP functions?

Thanx