To change Gridline color in Excel, use Excel Options, apply a custom-colored border to the cells, or apply a custom line color. Full details here.

This is the demonstration file to accompany the article, How to add color to a drop-down list in Excel by Susan Harkins.

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

How to Add a Border by Clicking in Excel. Selected cells in an Excel spreadsheet can be emphasized by adding a border to make them stand out. For instance, you might wish to call attention to the ...

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.

How to Add a Legend to a Scatter Plot in Excel. The legend on an Excel scatter plot is simply a list of the names for each of the series on the chart. The legend is color coordinated, so you can ...