Properly formatting expressions such as "H2O" in your Excel spreadsheet requires the use of subscripts. Subscript formatting makes a letter or number appear smaller and slightly below the rest of the ...

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.

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 three ...