Mose is Dwight's cousin. Together they own and operate a beet farm.
In a deleted scene from the The Injury, Michael describes Mose as a "weirdo": "Twenty-seven years old, never left the beet farm."
In a deleted scene from the episode The Carpet, Michael advises Dwight to tell a joke as part of his sales pitch. Dwight phones a customer and tells a joke he heard from Mose: "What is black and white and red and can't think? A nun who has a beet for a head." The person on the other end apparently gets offended, and Dwight says, "I'm Catholic too."
In the episode Initiation, Mose assists Dwight in initiating Ryan as a salesman, but Ryan decides that he has had enough once Mose appears ready for a wrestling match with him.
When Dwight yells "You must vanquish your fear!", Mose emerges with a tan thermal underwear longsleeve shirt, with the word "FEAR" emblazoned on the shirt in red duct tape. Ryan jumps out of the chair and leaves the Farm. After Ryan departs, Dwight asks "Where are the animals?" Dwight then gives Ryan apology gifts from Mose: a basket of eggs and "something [Mose] whittled" that resembles a Venus figurine. Ryan and Dwight launch the eggs at the failed sales attempts office.
- Mose runs alongside their car as it drives up. It should be noted that Mose runs in a pretty rigid and funny manner, every time we see him run.
- Dwight jokes that Mose took and hid all of the wires on the farm, leaving them without power, and that the farm is now 'wireless'.
- While in the beet field, Mose grabs some chunks of manure from the wheelbarrow, and begins throwing them at Dwight to which Dwight calls after him, "Mose, don't! Don't throw the manure!".
- Mose rocks back and forth while staring at Pam in Jurassic Park pajamas while Dwight reads a bedtime excerpt from Harry Potter to him, Jim, and Pam.
- In the middle of the night, Pam wanders out to a window in the hallway and sees Mose in the outhouse with the door swinging violently in the wind.
- Later that night, Jim ventures to Dwights bedroom while investigating a strange wailing (later determined to be Dwight himself, crying over Angela) Dwight assumes it was Mose, and inquires; "are you having nightmares again?" When Jim asks if Mose really has nightmares, Dwight spookily comments "Oh yes, ever since 'the storm'."
- In a deleted scene, Mose attempts to entertain Jim and Pam with his trampoline tricks.
- In a deleted scene, Mose demonstrates little knowledge of the outside world. When Dwight leaves, he says that he has gone to "his day place" and is confused when Jim mentions the office.
- In a deleted scene, Mose cooks Jim and Pam massive amounts of bacon, sausages, and presumably boiled eggs for breakfast.
- In the same scene, when Mose is done serving breakfast, he says to Jim and Pam, "Everybody poops," to which Jim replies, "Yes... they do."
In The Deposition, Dwight brings Mose to the warehouse to play ping-pong. If Michael is to be believed, this is the first time Mose has left the farm.
Mose makes an appearance in the episode Koi Pond, dressed in an Amish attire and standing still like a wax figurine.
Mose appears in Dwight's day care center in the episode Counseling, painting the walls in the dark whilst wearing a baby carrier.
Mose is the valet during Andy's garden party at Schrute Farms. He prys the keys from a reluctant Toby and then slams on the accelerator and plows Toby's car through a corn field with a nervous looking Toby watching. Mose lines up everyones cars and attempts to drive over them with a moped however changes his mind at the last moment and runs across them (Garden Party).
When Dwight is in a high speed chase with Angela as Dwight has taken a sample of her baby's DNA to determine if he is the father of her child rather than the Senator, Dwight calls Mose telling him to initiate "Operation Phoenix". Mose is evidently confused so Dwight replies "Just get the car ready!". The plan involves Mose dressed up like Dwight and waiting in a car that looks like Dwight's. Mose then drives off and Angela believes him to be Dwight and follows him. After realizing that he was a decoy, Angela slaps Mose and demands Mose tell her where Dwight went. Mose proceeds to run away in his usual running with his arms swinging no higher than his waist style (Free Family Portrait Studio).
Mose is one of the candidates that Dwight picks to interview for the job as a junior salesman at the company. As they all wait in the conference room, Mose stares at the office through the blinds. Dwight talks about his confidence in Mose and says that as Mose is terrified of paper, he will try to sell it out of the building as fast as he can. During the interview, Dwight notices that on his resume, Mose claims he has worked for Dow Chemicals for 15 years. Dwight points out that as they live together, he knows that is not true. Mose proceeds to stand up, run out of the office, out the building, across the parking lot and run down the street as fast as he can. (Junior Salesman).
As Dwight waits on the porch for his cousin Zeke to get there, Mose runs around the yard. When Zeke arrives, he tells Mose that his mom says "hello" and Mose tells him to tell her "hello" back (The Farm).
As Angela has her bachelorette party at Schrute Farms, Mose watches from the window and eventually kidnaps her. Dwight reveals that this is a tradition in which he must buy the group a beer for Mose to return his bride. Mose reveals that he had her in his trunk and runs off as Angela curses him out. Mose can be seen at Dwight and Angela's wedding, longingly looking at a scarecrow dressed up as a woman (Finale).
- Mose is named after Mose from the reality television show Amish in the City. Writer Michael Schur (plays Mose himself) watched the show, and the name stuck with him.
- Michael Schur who plays Mose is a writer on the show.
- Mose does not know how to use a phone as told by Dwight in Lecture Circuit
- Mose was one of 70 cousins of Dwight.
- As Dwight discovers that Angela's baby could be a Schrute, he says that Mose does not know anything about sex, so the baby could only be from Dwight himself.
- Mose has no girlfriend but is apparently quite enamoured with a lady scarecrow on the farm.
- The Injury (deleted scene)
- The Carpet (deleted scene)
- Lecture Circut
- Heavy Competition
- St. Patrick's Day
- The Inner Circle
- Jury Duty
- Last Day in Florida
- Moving On