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From: The Rook on 2 Jun 2010 11:31
I am wanting to lock cell A1 from being able to be populated if both B1 & C1
are both empty.

Is this possible?
From: Luke M on 2 Jun 2010 15:41
Data - Validation, Custom
=COUNTBLANK(B1:C1)<>2

Also, uncheck the "ignore blank" option.

--
Best Regards,

Luke M
"The Rook" <TheRook(a)discussions.microsoft.com> wrote in message
news:947A2CEF-93C1-4648-BFB6-6690558718ED(a)microsoft.com...
>I am wanting to lock cell A1 from being able to be populated if both B1 &
>C1
> are both empty.
>
> Is this possible?


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