I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. Start a job offer letter with "Dear" and the candidate's first and last name.Let them know that your company is enthusiastic about the job offer. Specify the joining date in bold in your offer letter. In this blog, you'll learn how to write a joining letter. The acceptance letter is a simple and pleasant letter to write. In the first paragraph, thank the company for the offer and directly accept the position. And if they refuse at first, they will often accept if you offer to pay the first few months of rent in advance. Job offer letters serve as a formal invitation to join a company, outlining key details like salary, benefits, and start date. Job offer letters serve as a formal invitation to join a company, outlining key details like salary, benefits, and start date.