>I want to be able to use the same initials under my signature on documents,
>similar to email. Can I store that somewhere on MS Word, or do I have to put
>it in each time?
In an empty document: Type your signature and format it as you would
like it to appear. Select it with the mouse and press Alt+F3. Type in
a name and click Ok. To insert your signature, click Insert ->
Autotext - > Normal -> select the name you gave the signature.

Signature
Fredrik E. Nilsen
http://fenilsen.wordpress.com