This microsoft tool will remove the stuffing from your documents.
With this add-in you can permanently remove hidden data and collaboration data, such as change tracking and comments, from Microsoft Word, Microsoft Excel, and Microsoft PowerPoint files.
The webpage details the apps that this works with. Often I have seen the size of word documents and such grow uncontrollably. I still work with MS Office, and this would have been very useful had I know about this earlier. I owe one more to Karl for this tip.