Dunder Mifflin is opening an office near you! Producers of the sold out Off-Broadway sensation The Office! A Musical Parody announced the North American Tour will launch with a four week run in Toronto at The Mirvish’s CAA Theatre from July 30 - August 25, 2019. Dunder Mifflin is opening an office near you! Producers of the sold out Off-Broadway sensation The Office! A Musical Parody announced the North American Tour will launch with a four week run in Toronto at The Mirvish’s CAA Theatre from July 30 - August 25, 2019.