So I have a letterhead for my business that has my logo and graphics on it and im trying to create a contract for customers on that letterhead. I am using Fillable Forms to do this, however, when I use the letterhead to create the contract, Word is not letting me use the "Fillable Forms" tools. Its like they are locked, and they are not even an option for me to use, but only when I do it in my letterhead. If I open a blank word doc it works just fine. Confused?!!?!?

Can anyone help me with this?

I suspect that your letterhead may already be "protected for forms" and be a legacy document.

One method often used to keep people from messing with letterhead put in the first-page header is to protect the document for forms but allow editing in the body of the document.

You need to find the person who created your letterhead template and get them to unlock it.