I get it now.

Final shot <vbg

=MOD(ROW(1:1)-1,7)<3


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HTH

Bob Phillips

"Luc Benninger" wrote in message
...
Then I run into trouble if someone deletes the first row. the
conditional format formula will have a ref error and no formatting at
all will be applied.

Bob Phillips wrote:
Then how about =MOD(ROW(A1)-1,7)<3