Hi,

follow this link to learn about setting up a letterhead template:
http://wordfaqs.mvps.org/Letterhead.htm

You can save logos, headers and footers and so on using Building Blocks of which there are approximately 35 categories (eg Autotext, Custom Footer and so on). An excellent place to learn about building blocks is to follow the below link:
http://gregmaxey.com/word_tip_pages/..._autotext.html

So be patient, read and learn.

Regards