Customizing the Ribbon > Setting Preferences
  
Setting Preferences
The customized user interface definitions are saved in proprietary Creo UI Toolkit files (*.ui) created in the %APPDATA%\PTC\ProductView folder. There are two customization files: an optional administrator file and the user file. The administrator file is loaded first. It defines the baseline for user customization.
Set the user preferences using the Customize Ribbon page. Access the dialog box from the Creo View Options in the Creo View client. For more information, see About Customizing the Ribbon in the Creo View Help.