In the opening paragraph, thank the recipient for considering you for the position and sending a job offer. A simple "thank you for the offer" can go a long way.Thank you for providing me with this opportunity. 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. Knowing how to accept a job offer is key. Thank the recruiter, review the offer and follow up with questions and a counter offer before accepting the offer.