How to Make Sub

Microsoft Word 2007
1. Launch Microsoft Word and open the file in which you want to use subscripts.
2. Type the text that contains the letter or number you want to make into a subscript. For example, if you want your text to contain the formula for ascorbic acid (which contains three subscripts), you would type "C6H8O6."
3. Select the letter or number you want to make into a subscript. Click the "Home" tab and select the "X2" icon, or hold down the "Ctrl" key and press the equal sign (=) key.Alternatively, click the "Home" tab and select the "X2" icon, or hold down the "Ctrl" key and press the equal sign (=) key. Type the letter or number you want to make into a subscript. Hold down "Ctrl" and press the spacebar to return to normal text.
4. Repeat Step 3 for any other letters or numbers you want to make into a subscript. For example, in the formula for ascorbic acid, you must make the "6," "8" and second "6" into subscripts.
Microsoft Word 2003 and Earlier
5. Launch Microsoft Word and open the file in which you want to use subscripts.
6. Type the text that contains the letter or number you want to make into a subscript. For example, if you want your text to contain the formula for propane (which contains two subscripts), you would type "C3H8."
7. Select the letter or number you want to make into a subscript.
8. Select "Font" from the "Format" menu. Make sure you are viewing the "Font" tab. Select the "Subscript" checkbox and then click "OK."
9. Repeat Step 4 for any other letters or numbers you want to make into a subscript. For example, in the formula for propane, you must make both the "3" and the "8" into subscripts.