He was hired as a salesman at Dunder Mifflin in the 1990s, where he proved to be extremely effective.Dwight praised him in a deleted scene from "The Coup" for winning consecutive awards for best salesman.He seems to have few relationships outside the office.In his interactions with other characters, he is shallow, callous, ignorant and unaware of basic social norms.However, Come to Papa was quickly canceled, allowing Carell to commit to The Office.Carell later stated he had only seen about half of the original pilot episode of the British series before he auditioned.The skills that made him successful as a salesman, however, are not effective when applied to managerial duties and Michael is shown to be ill-suited to that position, injecting a lot of his personal feelings into the work environment.During a candid conversation in "The Fire", Michael tells Ryan that he became a salesman because he loved to make friends and, after being promoted to regional manager at a young age, continued to treat work-related relationships as personal friendships which he acknowledges is more difficult because his colleagues are all lower than him in the workplace's hierarchy.
Michael has been at Dunder Mifflin (as of "Michael's Last Dundies") 9,986,000 minutes, meaning he would have been working at Dunder Mifflin since May 6, 1992.
In "Diversity Day", Michael claims to be of English, Irish, German and Scottish ancestry.
He also claims to be two-fifteenths Native American.
In the end of the 7th season, he proposes to HR representative Holly Flax and moves to Colorado to take care of her aging parents, leaving the manager position to Deangelo Vickers in "Goodbye, Michael", to Andy Bernard in season 8 after Vickers becomes brain dead, and ultimately to Dwight Schrute in season 9. NBC programmer Tracy Mc Laughlin suggested Paul Giamatti to producer Ben Silverman for the role of Michael Scott, but the actor declined.
All original series characters were adapted for the U. Martin Short, Hank Azaria, and Bob Odenkirk were also reported to be interested.
In "Two Weeks", he claims to have acquired half of the Scranton branch client base.