Use the Developer Tab's Restrict Editing button. Put exceptions for the places you want people to be able to edit.

Thanks alot Charles this way its alot Faster than what i was doing before, can you please explainme a little about how the Adding users option works?

Using that tool i can choose who can edit the document by the person Username of his PC\e-mail?

If it is by email, how do i link my e-mail to my word document?

Thanks in advance.