Unfortunately, Access doesn't really support case-sensitivity.
You'll have to write code that looks at what was typed in, and compares it
to what's in the table using the StrComp function.

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Doug Steele, Microsoft Access MVP
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> My combo box displays case-sensitive entries for which I need a notinlist
> event to occur if the user changes the case of a letter. Any suggestions
> on
> how to do this?
>
> Thanks.