The employee writes a letter to accept a job offer from an employer. In the letter, the employee thanks the employer for the interview process and opportunity.Stand out from other employers with an impressive job offer. Learn how to make your offer letter in a few easy steps in this Jotform video tutorial. Step 1 Click the 'Add' button on the Document Template Screen. The Add Document Template Screen will appear. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples.