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. 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.Start a job offer letter with "Dear" and the candidate's first and last name. Let them know that your company is enthusiastic about the job offer. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. Your acceptance letter should also include your starting date. You've landed the job, but now you're wondering how to respond or write an acceptance letter. Here's a guide on how to accept a job offer. If there are no security checks waiting for clearance, you should have your offer. Longest wait I've had is 1 week.