How to programmatically disable the Word 2000+ “Menus show recently used commands first” setting under Tools + Customize
Article contributed by Dave Rado
Microsoft clearly don't want you to know the answer to this question – they've buried it so deep in the Help files that's it's practically impossible to find; but the answer is ...
CommandBars.AdaptiveMenus = False
In a company evironment, it's a good idea to put this into an AutoExec macro in a Global template, because your users will never get to know how to use Word properly unless that setting is turned off!
Some other settings that are well worth including in an AutoExec macro are discussed in the article: Word is always making changes I don't expect. How can I get more control over my formatting?