Conditional formatting if another cell is empty

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Good evening everyone,

I have a little issue with Excel, I’m trying to set up a conditional formatting rule with the following condition:
If A1 is empty, then B1 should turn red.
But I'm having trouble setting this up, I know how to apply conditional formatting for cells that contain something.

Thank you in advance for your help

Configuration: Windows / Chrome 31.0.1650.63

1 answer

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  1. Hello,
    I responded to a similar request I hope it's not a duplicate request

    the formula of your conditional formatting is

    =AND(A1<>"";B1="")

    or simply

    =A1=""

    Best,
    Mike-31

    A period of failure is a perfect time to sow the seeds of knowledge.
    1. It's all good, it works perfectly with =A1=""

      Thank you very much!