XKeymacs is a keyboard utility to realize emacs-like usability on all windows applications. With XKeymacs you can use emacs keybindings with any windows application. You can create a keyboard macro and assign any shortcut key too. You also get bash-like command completion in your DOS shell.
This may very well void the need for Emacs Keybindings in MS Word.
I only played with it briefly as I’m no longer Windows-bound, but my initial impressions were good. Here is a more comprehensive review of XKeymacs.
Once you install it, the bindings are global – they work in Windows Explorer, Microsoft Word, Excel, in text-boxes and combo-boxes – everywhere. As for applications that provide their own readline bindings (such as Gnu Emacs on Windows), you must setup key-binding exceptions…