the COUNTIF function doesnt work with a variable criteria, it only seem to
get it to work when I use things like "55" or "=3", but not for example cell
"D7"...

Lucas

"Damon Longworth" wrote:

Try something similar to this conditional formatting - Formula Is:

=COUNTIF($D$1:$D$8,D1)1

D1 must be the active cell and note the absolute and relative references.

--
Damon Longworth

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"Lucas" wrote in message
...
Hello all,

I have a row of 9 cells, which I want to fill with the numbers 1 to 9.
Each
time I put a number in a cell I want excel to compare all 9 cells in the
row.
If I type in a number that is already in one of the other 8 cells I want
it
to light up in red. I tried using "conditional formatting" but I can only
compare 2 cells at a time. Does anybody have an idea?

Thanks in advance,
Lucas