Defeature is a new capability in SolidWorks 2011 that enables removal of details and components that may represent intellectual property. If Defeature is defined for a model in SolidWorks 2011, setting Features to Excluded enables the Defeature properties prior to download. If Defeature properties are not defined in a model, setting Features to Excluded will still help protect intellectual property by saving the model as an external surface model prior to download.
To enable predefined Defeature schemes or make models featureless: