You can do this with Data Validation. There are instructions in Excel's
Help files, and he

http://www.contextures.com/xlDataVal01.html

Buttercup wrote:
In my spreadsheet, I would like to set a column so that it will only allow
certain codes. For example: I would like only the following written exactly
as is here to be allowed to be entered into a column:

AUTO

HOME

DP-3

DP-2

How can I set the column to only allow these & can I make it so it will
display the codes for the user.

Thank you.



--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html