Getting to Know the Office Open XML Formats
This section will show you how to access the ZIP package for an Office Open XML Format document and how to begin to make sense of what you find there. For the best results, I suggest that you take each subsection that follows step by step and be sure you understand and feel comfortable with the content before continuing onto the next.
Breaking into Your Document
Because each of your 2007 Office release Word, Excel, and PowerPoint documents is actually a ZIP package in disguise, you can just change the file extension to .zip to access all of the files in the package. There are a few ways to go about this.
If you have software installed that extracts files from a ZIP package, you might be able to ...