Conditional Formatting Across Sheets

Is there an easy way to have conditional formatting across multiple sheets?
For example, if I enter "blue car" in cell A1 on sheet1 and "blue car" again in cell A3 on sheet 3 it'll be noted as a duplicate value.

Thank you for your help!!

use a sumproduct

=SUMPRODUCT(COUNTIF(INDIRECT("'"&$I$1:$I$3&"'!$A$2:$A$10"),A2))>2

this will highlight sheet 1
I1:I3 are the sheet names
so
sheet1
sheet2
sheet3

and you can then add that conditional formatting to each sheet and use the same reference for the sheets

3d does not work for countif or countifs

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see my example here

Originally Posted by tim201110

yes there is

tim201110, this is not a useful response. If this is intended to be a joke, please don't do this again.

you are welcome
thanks for the rep