<Tools> <Options> <Edit> tab,

And check or uncheck "Edit Directly In cell".

--
HTH,

RD

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"pvagolfer" <pvagolfer@discussions.microsoft.com> wrote in message
news:960487E3-ACA9-457B-A5D4-D18860F9896F@microsoft.com...
> this is probably a simple preference, but I cannot find it on my new Excel
> program. When I double click a cell with a formula, I am used to seeing

it
> highlight the cells that are related to this formula. That does not

happen
> with my new Exel. Can someone tell which preference to change? Thanks