In Excel, there are options to add both predefined cell borders and custom cell borders. 1] How to add borders to a cell in an Excel worksheet Open Microsoft Excel .

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.

Highlight the cells you want to put a border around in your Excel spreadsheet. Alternatively, you can select all of the cells in the spreadsheet by clicking the button with the arrow pointing to ...