as sample of other attachmentsbehaviorfigures - and - show what happens when the sousa au and pdf buttons in figures - and - are pressed on my windows laptop the results vary per machinethe audio file opens in windows media playermp files open in itunes insteadand some platforms may open such files directly in web browser figure - an audio part opened by pymailgui besides the nicely formatted view windowpymailgui also lets us see the raw text of mail message double-click on message' entry in the main window' list to bring the pymailgui client