I think what you're looking for is Dependent dropdowns. Have a look here
for more information.
http://www.contextures.com/xlDataVal13.html
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HTH,
Barb Reinhardt
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"David" wrote:
> I'm trying to create a spreadsheet with multiple fields whose values are
> limited by Excel data validation lists. Rather than simply listing each
> value in the source I'd like subsequent field validations to be limited based
> on the prior selections. In other words the fields are related so only
> combinations in the source table should be permitted. Below is a simplified
> example.
>
> MODEL SIZE COLOR
> A Sm Black
> A Med White
> B Sm Black
> B Sm Red
> B Med Blue
> B Lar Green
>
> For MODEL the user is presented with the 2 distinct values: A, B.
> If B is selected the user is presented with 3 distinct values for SIZE: Sm,
> Med, Lar.
> If Sm is selected the user is presented with 2 distinct values for COLOR:
> Black, Red.
>
> How can this be accomplished in Excel?