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.

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.

You can type codes in VBA Editor to change the cell colors in Excel. Learn how to change the cell background color with VBA Editor in Excel.

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.

This article provides step-by-step instructions for color customizing your drop-down list in Microsoft Excel.