Sorry about the mess with my messages. Let me try and explain again:
Word 2007 does not have an option to customize the Ribbon, only the Quick Access Toolbar. See attached screendump. I have also checked this with local experts who have confirmed this.[/*]My video capture is too large to attach, but is only proves that there is no Ribbon customize option anywhere.[/*]
Do you have any other Word 2007 customers?
I have tried installing your add-in on Online Word 365, but it won't allow me to do so.