Is it possible to add a custom template "tab" (for lack of a better term) to the start screen in Word 2013? In other words, is it possible to add another section in addition to "Featured" and "Personal?" in the interface below?
I'm interested in the feasibility of adding a, say, "Legal" tab, to surface templates developed specifically for an organization's legal department. I'm aware that a custom template directory can be pushed down via domain policy (read: registry edit) such that custom templates appear under the "Personal" tab, but that's not really ideal given the administrative overhead. Not to mention that the templates aren't "personal" at all.
Ideally, I'd like to accomplish this via an Office app. Looking at the JavaScript API for Office documentation, however, it doesn't seem immediately possible.
This post (via this SO question) describes the registry change and seems to suggest that customizing the "backstage" isn't possible.
Is such a customization possible? If so, via what means of customization? Using an Office add-in (managed), an Office app, some other registry modification...?
(And yes, I'm aware that "add-in" is the new term; for the sake of clarity I use the term "add-in" in the question to refer to the managed add-in project template available in Visual Studio 2013 as opposed to the Office app or Cloud app for Office templates)