Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, and 2013. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Understanding Underlines.
There are several different types of underlines you can use in Excel. Underlining of information within cells is handled by displaying the Home tab of the ribbon and, within the Cells group, clicking the down-arrow under Format and choosing Format Cells. Excel displays the Format Cells dialog box; you should make sure the Font tab is visible. (See Figure 1.)
Figure 1. The Font tab of the Format Cells dialog box.
In the Underline box, in the lower-left corner, you can select any of five different underline types.
| Underline Type | Meaning | |
|---|---|---|
| None | Removes any underlining from the cell contents. | |
| Single | Adds a single underline, the width of the cell contents. | |
| Double | Adds a double-line underline, the width of the cell contents. | |
| Single Accounting | Adds a single underline that is noticeably lower than the Single underline. In addition, the width of the underline extends the entire cell width if the cell contains text or dates. | |
| Double Accounting | Adds a double-line underline that is noticeably lower than the Double underline. In addition, the width of the underline extends the entire cell width if the cell contains text or dates. |
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (9007) applies to Microsoft Excel 2007, 2010, and 2013. You can find a version of this tip for the older menu interface of Excel here: Understanding Underlines.
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2016-03-10 09:17:32
Mari S.
Thank you so much for reminding me there is an underline section in the font box. I knew the solution to why all my entries were getting underlined had to be easy and here you are! I have been searching for help on this off and on for 2 weeks!
2015-03-29 13:39:14
Neale
The accounting underlines show under the first line of a mutli-line cell, which is annoying.
2013-11-29 22:47:24
Murray
This tip does not address underlining in tables; it would be better if it did.
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Please Note:
This article is written for users of the following Microsoft Excel versions: 2007, 2010, and 2013. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: 
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