I am trying to do something simple with Excel 2007 but I am perplexed. I have a column of numbers with each cell either having a 1 or it is blank. There is another cell that I want to apply conditional formatting to if the sum of the numbers in the column is greater than 1. When I do this, I often get the cell to format properly initially but when I change the numbers in the column of numbers so that it should not be formatted, the fomatting does not go away. It is like it works once and then never works again. I have not checked the box "stop if true".I have used a variety of formulas such as ="if(sum a2:a6)>1,true,false))".

="if(sum a2:a6)>1,true,false))".You do not need quote marks around your formula,

and you need another parenthesis in your sum statment:=IF(SUM(A1:A6)>1,TRUE,FALSE)

MIKE

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