How to Bold Lines in Microsoft Excel
- George Apostolov
How to Bold Lines in Microsoft Excel: step-by-step guide
Inside your Microsoft Excel worksheet, find and select the cells that go along the lines you wish to bold.
After that, head over to the top menu bar and then 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.
Subsequently, choose the specific border you prefer to use.
After completing these steps, the lines of the selected cells will appear in bold.
Quick answer: To bold lines in your Microsoft Excel worksheet, select the desired cells, click the 'Borders' option under the Home tab, and choose 'More Border Styles'. Next, select the 'Thick Line' option under the Border Style section, choose your preferred border, and the selected cell lines will appear bold.
About this Microsoft tutorial
Make gridlines stand out in Microsoft Excel by selecting cells, choosing border styles, and applying a thick line format. This guide shows how to bold Lines in Microsoft Excel in 6 steps, starting with "Inside your Microsoft Excel worksheet, find and select the cells that go along the line..." and finishing with "After completing these steps, the lines of the selected cells will appear in bold". The interactive demo above is a click-through copy of the real Microsoft interface, so you can rehearse each step before doing it in your own account.
Frequently asked questions
How many steps does it take to bold Lines in Microsoft Excel?
6 steps. Each one is listed in order above, and the demo highlights exactly where to click.
Can I try it without changing my own account?
Yes. Clicking through the demo doesn't touch your Microsoft data or settings. Once you know the flow, repeat it in your own workspace.
This tutorial is filed under Microsoft and Excel. Related guides: How to Bring In Microsoft Planner Data to Power BI, How to Calculate Average in Microsoft Access and How to Calculate Sample Variance in Microsoft Excel. Last reviewed 05 Oct 2026.
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