Learn what an acceptance letter is, see what to do before writing one, discover how to accept a job offer in a letter, and review examples for 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.Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. Clearly state your acceptance of the job offer. I am writing this email to officially accept the offer for the Senior Management position at your esteemed organization.