Please specify the position you are applying for. How To Write A Job Offer Acceptance Letter?You'll need to formally accept your offer. In this guide, we will discuss how to write an effective acceptance letter and provide some templates and examples to get you started. A job acceptance letter is an important letter you should send to the employer after you are accepted as one of the staff. There is growing concern on job boards. Write a short message explaining that you accept the offer and enclose a formal acceptance letter in the attachments.