She is introduced as the senior accountant, head of the Party Planning Committee, and safety officer at the Scranton branch of Dunder Mifflin.
She also has a short-lived marriage with Pennsylvania State Senator Robert Lipton, who is initially believed to be the father of her child, Phillip.
During a talking head in the episode "Performance Review", she says that she "enjoys being judged" and that she participated in beauty pageants as a child.
Angela has 12 cats over the course of the series, her favorites being Sprinkles (who is killed by Dwight Schrute in "Fun Run"), Princess Lady, and Garbage whom she accepted as a gift from Andy Bernard when he found it in the warehouse.
During "Lecture Circuit: Part 2", fellow accountants Oscar Martinez and Kevin Malone see her communicating with her pets at her home via nanny cam.
This is first suspected by Pam Beesly in the episode "Email Surveillance", where Angela is seen buying two candy bars, one for Dwight.
She is fan of the song "The Little Drummer Boy", posters of young children doing adult-like activities, Anne Geddes-style photographs of babies, and she has a crush on Boris Becker.
Angela also apparently watches Will & Grace, but only the scenes with Harry Connick Jr. During the episode "Office Olympics", she tells the documentarian that she likes playing games with her cats and singing.
During the fourth season, Andy offers several locations for their wedding, including EPCOT Center, a Marriot Ballroom, and hot-air balloon rides.
Angela is first seen in the pilot episode in a corner of the office behind reception, where the accountants work, at the Scranton branch of Dunder Mifflin Paper.
She is later revealed to be the senior accountant, the head of the Party Planning Committee (first seen in "The Alliance"), and the safety officer (seen in "Basketball").
During "Conflict Resolution", Michael finds that Angela has lodged several complaints against Dwight but that they were all removed six months prior, most likely because of their relationship.
At the branch's Christmas party, Angela invites transferred employee Karen Filippelli to join the P.P.C.
Eventually, they decide to merge the parties, and Angela sings her favorite song, "The Little Drummer Boy", on the karaoke machine for the office.
During "Product Recall", Angela is temporarily in charge of answering phone calls due to an inappropriate watermark on Dunder Mifflin's stationery.
Though he tries to replace Sprinkles with a farm cat named Garbage (who she later renames Bandit), Angela breaks up with him.
In an attempt to win her back, Dwight holds a battle against Dunder Mifflin's new website by trying to make more sales than it within the first hour of being launched.
At the end of the episode, Andy Bernard asks Angela out by singing "Take a Chance on Me" by ABBA.
Angela soon develops a crush on Charles Miner, a new employee at corporate, and battles with Kelly Kapoor for his attention.
In "The Delivery", Dwight sees that Pam and Jim are using their unborn child as a selling point and decides that he would like to do the same.
Knowing he cannot pay this, Angela gives Dwight a "settlement" of attempting to procreate five separate times.
In the end of "WUPHF.com", Angela meets Pennsylvania State Senator Robert Lipton at Dwight's hay festival in the office parking lot.
In the eighth season finale, "Free Family Portrait Studio", Dwight steals a full diaper from Angela to test Phillip's DNA.
Oscar takes Angela to her husband's yoga class, where they see Robert flirting with multiple young men.
However, this friendship is ended when Dwight begins to date a neighboring brussels sprout farmer, just to make her jealous.