https://forums.autodesk.com/t5/3ds-max-modeling-forum/object-in-max/m-p/5684199#M18789 <P>Scroll down the help page linked above almost to the bottom - they are explained there.<BR /> A Yellow outline is a Preview of the object which would be selected if you clicked. Those with a Blue outline are already selected.</P> Thu, 18 Jun 2015 22:37:26 GMT Steve_Curley 2015-06-18T22:37:26Z