Quick summary
To bold lines in Microsoft Excel, select the target cells, open the Borders menu under the Home tab, and apply a Thick Line style through More Border Styles. This method lets you visually emphasize specific cell boundaries without changing cell content or formatting.
Steps
- Inside your Microsoft Excel worksheet, find and select the cells that go along the lines you wish to bold.
- Head over to the top menu bar and click the Borders option under the Home tab.
- Choose More Border Styles from the list of options.
- Under the Border Style section, find and click the Thick Line option.
- Choose the specific border position you prefer to apply the thick line to.
- After completing these steps, the lines of the selected cells will appear in bold.
