In the case that a client has events running in an Office application but no buttons it makes sense to hide the empty tab.
Branded Startup could be implemented in Excel with no buttons needed and therefore no ribbon needed.
The configuration to hide the tab in specific Office applications can be done in the two files:
For the tabs configuration for the sd:TabID set
Now it is possible to define whether the tab is visible or not for each Office application.
To hide the tab in an Office application set