How to Make a Thicker Bottom Border in Excel: Step-by-Step Guide


Michael Collins

Making a thicker bottom border in Microsoft Excel is pretty simple, yet it can make a significant difference in the readability and visual appeal of your data. All you need to do is select the cells where you want the thicker border, go to the ‘Home’ tab, find the ‘Borders’ button, and choose the thickness you prefer. But let’s dive deeper and guide you through each step so you can do it with confidence.

Step by Step Tutorial on How to Make a Thicker Bottom Border in Microsoft Excel

Before we start, let’s clear up why you might want to add a thicker bottom border. It’s all about emphasizing certain data, creating a visual separation, or simply making your spreadsheet look more polished. Now, let’s get to the steps.

Step 1: Select the cells

Click and drag to select the cells where you want to add a thicker bottom border.

Selecting the cells is the first step because Excel needs to know which data you want to modify. Make sure you’ve got the right cells highlighted before moving on to the next step.

Step 2: Open the Borders menu

Go to the ‘Home’ tab and click on the ‘Borders’ button.

The ‘Borders’ button is usually located in the ‘Font’ group of the ‘Home’ tab. It’s the one with the small grid and a dropdown arrow.

Step 3: Choose the Bottom Border option

In the drop-down menu, hover over ‘Bottom Border’ and select the thickness you desire.

You’ll see several border options, including different thicknesses and styles. For a thicker line, you might choose ‘Thick Bottom Border.’

After you complete these steps, your selected cells will now have a thicker bottom border. This small change can help draw attention to important totals or separate sections within your spreadsheet.

Tips for Making a Thicker Bottom Border in Microsoft Excel

  • Make sure your cells are properly aligned before adding borders to ensure a clean, professional look.
  • If you’re adding borders to a large range of cells, consider using the ‘Format Cells’ dialog for more control.
  • You can use keyboard shortcuts to speed up the process: Ctrl + Shift + & will add borders to selected cells.
  • Customizing border color can further enhance your data presentation; just click ‘More Borders’ for additional options.
  • Remember that adding too many borders or using excessively thick lines can make your spreadsheet look cluttered. Use them sparingly!

Frequently Asked Questions

Can I add a thicker border to just one cell?

Yes, you can add a thicker border to a single cell by simply selecting that cell and following the same steps.

What if I want to add a thicker border to the top or sides of a cell?

Just choose the corresponding option in the ‘Borders’ menu. There’s ‘Top Border,’ ‘Left Border,’ and ‘Right Border.’

Can I remove the thicker bottom border if I change my mind?

Absolutely! Just select the cells again, go to the ‘Borders’ menu, and click ‘No Border.’

Is there a way to save my border preferences for future use?

While Excel doesn’t let you save border styles per se, you can copy a cell’s format, including its borders, using the Format Painter tool.

Can I make the bottom border even thicker than the options available?

The preset border styles have a fixed thickness, but you can draw a border manually using the ‘Draw Border’ option for a custom thickness.


  1. Select the cells.
  2. Open the Borders menu.
  3. Choose the Bottom Border option.


In conclusion, adding a thicker bottom border in Microsoft Excel is a breeze once you know where to look. Not only does it make your data stand out, but it also gives your spreadsheet a more structured and professional feel. Remember, the key to a great-looking Excel document is balance – so while thicker borders can be helpful, you don’t want to overdo it. Use these tips to enhance your spreadsheets, and don’t be afraid to play around with different border styles to see what works best for your data. Happy formatting!