Hello. Using Draftsight on Mac and one thing has always puzzled me. Why won't draftsight open a DWG when I double click on it in the Finder even when Draftsight is set to be the default application for opening DWGs?

Hello. Using Draftsight on Mac and one thing has always puzzled me. Why won't draftsight open a DWG when I double click on it in the Finder even when Draftsight is set to be the default application for opening DWGs?