make cell red if other cell is blank

Opgelost

New Member
Joined
Dec 6, 2014
Messages
44
Dears,

I would like to do the following with conditional formatting:

Fill the cell (e.g. a3) with the RED colour if the corresponding cell in column B (e.g. b3) is blank.

Kindly advise.

Thank you!
 

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1. Select all the cells in col A you want to format (let's assume you start at A1 for this example)
2. Home>Styles>Conditional Formatting>New Rule>Use a formula
3. Formula is: =$B1=""
4. Select red fill as the format
5. Press OK
 
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