Columns are now numeric, not alpha. how to change back?

My columns are numeric (1,2,3...) instead of alpha (A,B,C...). How do I
change them back to alpha, and how do I keep this from happening again??
thx.

Tools>options>general uncheck R1C1 reference style

--
Regards,

Peo Sjoblom

(No private emails please)


"samriepe" <samriepe@discussions.microsoft.com> wrote in message
news:8A2ACB12-66F9-4AD2-8F7D-929053946AA5@microsoft.com...
> My columns are numeric (1,2,3...) instead of alpha (A,B,C...). How do I
> change them back to alpha, and how do I keep this from happening again??
> thx.
>