Adding subscripts to Excel is usually a simple matter of a font setting, but you may run into limitations when adding subscripts to cells containing numbers or formulas.

How to add superscript or subscript in Excel. The procedure to add superscript or subscript by using the Font Settings method or the shortcut is exactly the same as with Microsoft Word.

How to Get Subscript in Excel Graphs. When you create a graph in Microsoft Excel 2010, the axis labels and legend titles are drawn from the information in the cells surrounding the data.

Learn how to add superscript and subscript buttons to the toolbars in Word, PowerPoint, and Excel in both Office 2004 and 2008.