In this blog post, we'll explore the details of a relieving letter , including its definition, format, and provide free samples and templates to assist you. Learn what a relieving letter is, why it is important, and how to write a professional request for it. See samples and templates of email formats to ask for a relieving letter from your employer. 37 Professional Relieving Letters (Free Templates) The HR department of a company issues a relieving letter to employees who have formally resigned. This letter is the way for the company to formally acknowledge the acceptance of the employee’s resignation. Learn about a relieving letter and its format, why these letters are important and how to write your own with a template, example and FAQs.