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.

See how easy it is to use the Tables and Borders toolbar to merge cells if your Word table contains too many cells in a row or too many rows in a column. Also, learn how you can change table ...

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.

By smartly using cell borders, shading, data validation, and other formatting techniques, you can improve the visual appeal of your Excel spreadsheet.

The latest update to Excel for the web brings new options for cell colors, cell formatting, and tables. There's also a new printing experience on the way.

In Excel you can put borders around squares and they can be changed by going to Format, Cells, then Borders. However, this is very long-winded when not every cell is bordered.