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.

In Microsoft Excel, if a cell contains a formula that results in an error, a triangle appears in the top-left corner of the cell. The triangle is an error indicator.

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

You can change the color of the default gridlines in Excel from the File tab, by selecting Options, Advanced. In the Display options for this worksheet section, click the Gridline color drop-down box ...

To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting.