Professional Resignation Letter is a formal written notice announcing intention to leave a job. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates.Once you've made the decision to resign from your job, consider the correct etiquette and know how to resign from work gracefully and professionally. This article teaches you how to write a resignation email with the help of resignation letter email examples and our resignation email template. We've put together this resignation email example to help, which shows you the best format for a sample resignation letter. In your resignation letter, it is essential to clearly state the date of your last working day, giving your company ample time to make necessary arrangements.