Lieberstein's work on "The Office" has resulted in numerous awards. In June 2007, Lieberstein shared in a Daytime Emmy Award for "Outstanding Broadband Program – Comedy", for his work on "The Office: Accountants" webisodes. As an actor, Lieberstein shared in a 2006 Screen Actors Guild Award for "Outstanding Performance by an Ensemble in a Comedy Series"; as a writer, he shared a 2006 Writers Guild of America Award for the series, in addition to a WGA Award nomination for "The Coup". As co-executive producer, he shared a 2006 Emmy Award for "Outstanding Comedy Series".