When doing a Presentation IPN file, you can RMB on parts in the main window or RMB over them in the model tree, and get a popup menu. When you RMB on a part in the main window, you get this popup menu:

And when you RMB over a part in the model tree, you get this popup menu:

Notice anything different? When you RMB in the main window, you do NOT get the Visibility option. So what we have to do is RMB on the part in the main window, then select Find In Browser, then RMB on the highlighted item in the model tree and select Visibility. Can you spell inefficient? Come on Autodesk, give us the Visibility option in the RMB popup menu in the main window.... please.