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.

How to Add a Border by Clicking in Excel. 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 ...

Excel allows complete customization of the borders for its graphs, whether you want to go thick and bright or simply fine-lined and minimal.