Nearly a decade after its finale aired, the American version of “The Office" is a ubiquitous part of popular culture. So much so that the Scranton, Pennsylvania, branch of fictional paper company Dunder Mifflin became a surrogate workplace of sorts for millions working from home during the coronavirus pandemic.“The Office BFFs: Tales of the Office from Two Best Friends Who Were There" is an enjoyable complement to the series, filled with behind the scenes anecdotes that help explain what made NBC's hit click.Written by Jenna Fischer and Angela Kinsey — who, respectively, played Pam Beesly and Angela Martin on the show — “Office BFFs” is written as a dialogue between the two actresses.