In this article, we discuss how to write a job offer acceptance letter and also present a template and sample letter to help you get started. If an offer letter is completed, one copy should be sent to Human Resources with the new hire forms.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. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. How do you politely decline a job offer, after an interview, if you don't believe the job is for you? I did this just on Friday.