Solved How to identify duplicate numbers in Excel

Microsoft Excel 2003 (full)
July 12, 2011 at 06:38:15
Specs: Windows XP, 1.0Gb
I have a spreadhsheet that contains 5,200 item numbers in one column where some numbers are used more than once. I need to identify duplicate /triplicate, etc. numbers. I know I can sort the numbers in ascending/descending order and then manually identify the duplicates/triplicates but I need a method that is more reliable.

Thank you.

Brian W

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July 12, 2011 at 12:08:43
✔ Best Answer
Try this:

Conditional Formatting 2003

1st – Select your Range of cells, IE A1:A5200
On the Menu Bar:

2nd - Format
3rd - Conditional Formatting
4th – Change “Cell Value is” to “Formula Is”
5th – Enter the formula:


Sub Menu Format :
6th - Patterns
7th - Choose a pretty color
8th - Press OK


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July 15, 2011 at 05:49:57
Dear Mmcconaghy,

Thank you for your response; it worked as I needed.

Brian W

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