How to Make Colors Change With Validation in Excel. Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border.

Microsoft Excel 2007's conditional formatting feature allows you to format cells based on certain criteria. As an example, you might want the row color to change based upon a credit or debit on a ...

The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.

Adding color creates a great visual effect, but did you know that you can evaluate values by color? Use this technique to turn color into valuable information.

Can Excel sort by color? Absolutely. In addition to sorting by values, Excel can sort by cell color, font color, and cell icon. First, you must you must define the colors for your sort columns/fields.

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

In case of an error, a triangle appears in the corner of the cell. You can change the Color of an Error Indicator from green to any other in Excel.