Do note that this action will remove the dashes in the entire Excel sheet. If you want to remove dashes from some particular cells, select those cells first and then use the Find and Replace feature.

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 ...