You are also required to include the recipient's name, designation and official address in your acceptance letter. Learn why you must write a job acceptance letter and how to write one with a professional touch through our tips and free samples.A job acceptance letter lets you outline the details of the job so that you are clear about your role in the company prior to your joining. 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 job acceptance letter with this guide. Learn how to write a job acceptance letter with this guide. It also helps you start your new job with respect from your coworkers and boss. It serves as a written acknowledgment of the terms of employment and your intent to join the company. An acceptance letter lets you document key points about your new job.