To add a Border to one or more Cells in Microsoft Excel, open the spreadsheet, select the Cells, click on the Borders button and take it from there.

Selected cells in an Excel spreadsheet can be emphasized by adding a border to make them stand out. For instance, you might wish to call attention to the result of a calculation. Borders can be ...

If your data is grouped in Microsoft Excel, try displaying a border between groups. Learn how to make your Excel tables easier to read.