SEeing if a number in one column is in another column

R

Ricki Miles

I am working in Excel 2003. I have two columns of numbers (ID numbers for
employees of 6 digits each). If a number appears in column A (there are no
duplicates of this number in column A), the number must NOT appear in column
B. Is there any way, besides VBA, to check if a number appearing in column
A is also listed in Column B?

Thanks,

Ricki
 
L

L. Howard Kittle

Hi Ricki,

Put this formula in C1 and fill down. The cells will be blank or have a
number in them. These are duplicates.

=IF(COUNTIF($A$1:$A$5,B1)>0,B1,"")

HTH
Regards,
Howard
 
R

Ricki Miles

It worked perfectly. Thanks again.

L. Howard Kittle said:
Hi Ricki,

Put this formula in C1 and fill down. The cells will be blank or have a
number in them. These are duplicates.

=IF(COUNTIF($A$1:$A$5,B1)>0,B1,"")

HTH
Regards,
Howard
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