You can add a superscript or subscript in Word using the appropriate buttons in the Font section of the Home ribbon, or through a keyboard shortcut.

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

When you compose a document and need either a subscript or a superscript – the little numbers you put beside words to indicate a footnote or by numbers for exponents – Microsoft Word gives you ...

Press "Ctrl-+" in Microsoft Word on a PC or a Mac to enter subscript mode. Use the keypad to type the numbers you want to display in subscript and press "Ctrl-+" again when done to return to ...

A new bug in the XenForo or Ars Civis? Subscript and Superscript used to work just fine previously. Steps to repro: Write any chemical formula in plaintext, e.g. O2F2 for FOOF (full disclaimer ...