In season 9 of "The Office," Andy quits Dunder Mifflin to pursue a career as an actor. He decides that paper sales no longer represent his ambitions and tells David Wallace that he wants to chase show-business success instead.
Andy’s plan is rooted in his long-standing desire to perform. He sings, plays the banjo, acts theatrically, and frequently seeks attention from his coworkers. His professional pivot comes after he hires a talent agent and begins pursuing entertainment opportunities, including auditions and acting work.
The wording can sometimes cause confusion because Andy also dreams of becoming famous more generally, and his path includes singing and other performance-related efforts. However, the show ultimately frames his goal as a career in entertainment, especially acting. In the season 9 episode “Livin’ the Dream,” he resigns from Dunder Mifflin and leaves the office behind. Andy’s later career success is revealed in the series finale, where he becomes a well-known internet personality and Cornell-related performer.