Hi Specktor,
take a look to Debra web page it has an excellent explanation

http://www.contextures.com/xlDataVal02.html#TwoWord

"Specktor" wrote:

Hi
I want to set up data validation for user entry.
In first column there is a list of options. In column 2 I want the options
to change depending on what was entered in the first column. In the third
column I want the options in the list to reflect the entry in the second
column.
So....
column 1 options are (for e.g.) PC Hardware, Telephones, Software
IF Column 1 = PC Hardware then options for column 2 list are Mouse,
Keyboard, monitor
If Column 1 = Telephones then options are Handset, Line, hands free kit
etc

If Column 2 = Monitor then options for column 3 are ROLLER, BALL, DESK
etc etc

Any help, thanks in advance