One way which serves the intended checks (via COUNTIF) and which enables the
CF to work across sheets (via INDIRECT)

In Sheet1, select col B, then apply CF using Formula Is:
=COUNTIF(INDIRECT("'Sheet2'!B:B"),B1)
Format to taste Ok out

Any good? hit the YES below
--
Max
Singapore
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xdemechanik
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"Nelson" wrote:
I have a customer list (!Sheet2 B1 : B100) and I have a result list with
maintenance information and customers names (!Sheet1 B2 :B2000)

The rows and columns on the result list change so the customer name is not
always in the same cell.

I am hoping I can use conditional formatting to say if any customer name
from !Sheet2 B1 : B100 = any customer name in !Sheet1 B1 : B2000 then fill in
cell color and make bold of customer names !Sheet1 B1 : B2000.

Any suggestions?

Thanks in advance
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Nelson