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.

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

Turn raw data into actionable insights with Excel 365’s conditional formatting. Learn to create dynamic visuals with ease in this guide.

My problem is that I cannot change the text color or add a background color fill in Excel. I am up to date according to Microsoft. I have also turned off Conditional Formatting.