Catching Save or SaveAs in Word 2007 (Harry Miller)

You can override Ribbon commands and run your own code for Save or Save As, or you can simply cancel attempts to save a document in the DocumentBeforeSave event handler.

Code and resources:

Forum post: Microsoft Word 2007 Disable Save As

Temporarily Repurpose Commands on the Office Fluent Ribbon

DocumentBeforeSave event

Video duration: 51 seconds