Entering a range of data in an IF formula

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Bekaboo - Mar 5, 2015 at 12:48 PM
Hello, I am trying to write a formula where: if any of the values in colum B are equal to the values in column M, then an email address in N1 will populate if true, and an email address in N2 if false. The formual I tried was: =IF(B:B=M:M, $N$1, $N$2) This is not working. What am I missing?