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. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples.Formally accept a job offer with our job acceptance letter template. Craft a professional job acceptance letter to start your new role positively. 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. Changes in the work, satisfactory to Fairfax County Public Schools. Connect directly to employers ready to hire; Become empowered to earn a living wage. Interested in learning more?