Changing the Load Behavior in the registry

For solutions when the add-in is not loading at all, please see the following article: Power-user is not visible on the ribbon

Normally the default setting is that PowerPoint, Excel and Word should try to load Power-user automatically when the application is opened.  

However sometimes, it can happen that Office will not automatically load the add-in, forcing the user to manually load it every time the application is opened.

To fix this, follow the steps below:

• Click the Windows Start menu
• Click "Run"
• Type "regedit" to access the registry, and the "OK"

• In the left menu, browse to HKEY_CURRENT_USER/SOFTWARE/Microsoft/Office/PowerPoint/Addins/PowerUser 

• On the right, double-click "Load Behavior" 
• Change the value to "3", which means Load at startup. 
• Now restart PowerPoint / Excel / Word and the add-in should automatically load in the application.