A Word file, is a zip in disguise
Just rename your file from .docx to .zip and unzip. You will get a folder of all stuff inside the doc, like all the images and some crazy xml content.
As a web developer, my clients often send stuff for me to place on their website, mostly in a doc with dozens of pages with images. I got tired of saving every single image from the doc. Too many clickz. Much carpel tunnel.
This saves me a lot of time so I just had to share this awesome trick.