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.

Excel is a potent tool that can easily handle tons of data. A beneficial improvement to increase your user experience is to change cell color based on their value so that you can effortlessly read ...

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.