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. Make sure to be genuine and concise. 4.Officially accept the offer. Write a short message explaining that you accept the offer and enclose a formal acceptance letter in the attachments. Learn how to reply to job offer letter professionally via email, with detailed do's and don'ts. Sub: Acceptance of Job Offer. It's where you agree to the terms and conditions of your employment laid out in the offer letter. Dear Ms. Doe: I am writing to confirm my acceptance of your employment offer from April 1. Clearly state your formal acceptance of the job offer. Create an Baker cover letter that lands you the interview with our free examples and writing tips.