How many movies have Robert Carlock and Tina Fey collaborated on?

They have worked on 4 movies together! Their first movie together was Whiskey Tango Foxtrot (2016) while their highest rated movie together was Unbreakable Kimmy Schmidt: Kimmy vs. the Music: A Live Singing Contest (That's Live) (2020). They have not worked together since 30 Rock: A One-Time Special (2020). They are most known for their comedy films together.