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How to highlight odd or even numbers in Excel?

In Excel, if you want to highlight all odd values with one color and fill all even numbers with another color to differentiate them as following screenshot shown. How could you quickly and easily solve this task?


Highlight odd or even numbers with Conditional Formatting

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arrow blue right bubble Highlight odd or even numbers with Conditional Formatting

Conditional Formatting is a useful feature, it can help you quickly highlight odd numbers or even number in worksheet. Please do with the following steps:

1. Select the cells that contain the data values.

2. Then click Home > Conditional Formatting > New Rule, see screenshot:


3. In the New Formatting Rule dialog box, select Use a formula to determine which cells to format option, and then type this formula =MOD(A1,2)=1 or =ISODD(A1) (A1 indicates the first cell in your selected range, you can change it as you need) into the Format values where this formula is true text box. See screenshot:


4. Then click Format button to open the Format Cells dialog box, in the popped out dialog, click Fill tab, and then choose one color you like.


5. After selecting one color, click OK > OK to close the dialogs, then all the odd numbers have been highlighted.



1. If you want to highlight all even numbers with another color, you can repeat the above steps, and apply this formula =MOD(A1,2)=0 or =ISEVEN(A1) (A1 indicates the first cell in your selected range, you can change it as you need) in step 3.

2. Conditional Formatting tool is a dynamic function, if you change any odd values to even values, the color will be adjusted as well.

Related article:

How to count / sum odd / even numbers or rows in Excel?

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    Jash · 1 years ago
    It works! I thought about the conditional formatting I just didn't know which formula to use. Now I can use this method to add even/odd numbers by using a filter instead of using a complicated formula...e-z bree-z. Thank you!
  • To post as a guest, your comment is unpublished.
    Rich · 2 years ago
    I've tried this with both the 'isodd' function and the 'mod(xx,2)=1' but neither works. I get no errors. When I put the isodd/mod in a cell and then use that cell in the conditional format it works as expected. I'm using Excel 2016. Thanks!
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    Tamara · 2 years ago
    This did not work. It highlights random cells but not all the odd ones.
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      HM · 2 years ago
      when selecting the headers this problem occurs, select only cells that contain numbers