Learn why you must write a job acceptance letter and how to write one with a professional touch through our tips and free samples. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples.The first thing you should put on your job acceptance letter is the date. Include it underneath the header close to the top of your letter. Hello Employer, Thank you for the offer of employment, I accept. Please let me know what next steps will be. 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. 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. Thank you for this opportunity and for clarifying the hiring process.