Austin Powers for MSN Plus is a plug-in that enhances MSN Messenger conversations by integrating 13 sound clips from the movie Austin Powers 3. Recent versions of Messenger Plus! support sound clips of up to 10 seconds in chat sessions, which can be user-created or imported. This plug-in specifically includes audio segments from Austin Powers 3, adding a unique and entertaining element to user interactions.

Users can expand their sound library with memorable quotes from the movie, such as Cataplines, Things I Can't Stand, Japanese Twins, Humanoid in Chocolate, and more. These audio clips infuse conversations with humor and iconic movie references, making interactions dynamic and engaging.