You can add a superscript or subscript in Word using the appropriate buttons in the Font section of the Home ribbon. You can also use keyboard shortcuts to format text as a superscript or subscript.

you can then use the keypad to enter subscript numbers. 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 ...

If you want to format text as Superscript and Subscript in Word, Excel, and PowerPoint, here is how you can do that. It is possible to write Superscript and Subscript in Office apps using in-built ...