Sub TurnsRed()
Dim c As Range
Dim rng As Range
Dim cRow As Long
Set rng = Range("E5:G8")
For Each c In rng
If c = "" Then
cRow = c.Row
Range("C" & cRow).Interior.ColorIndex = 3
End If
Next c
End Sub
Standard Module
How to install your new code
Copy the Excel VBA code
Select the workbook in which you want to store the Excel VBA code
Press Alt+F11 to open the Visual Basic Editor
Choose Insert > Module
Edit > Paste the macro into the module that appeared
Close the VBEditor
Save your workbook (Excel 2007+ select a macro-enabled file format, like *.xlsm)
To run the Excel VBA code:
Press Alt-F8 to open the macro list
Select a macro in the list
Click the Run button