When you want to remove the gridlines from your Microsoft Excel worksheet, update the page layout. Your worksheet options include removing these vertical and horizontal guides from view and also ...

How to Establish Gridlines in Excel. Establishing gridlines on your Microsoft Excel chart produces horizontal or vertical lines that help line up plots with the left or bottom scale.

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 ...