Then, state your intent to resign and exact date of departure. Provide a reason (optional) and then show gratitude.Learn how to format a resignation letter so you can leave your job in a positive and professional manner. Learn how to write an email resignation letter with our guide. Get tips, examples, and important elements for your resignation letter. Use their name and formal title, such as "Dear Mr. Smith" or "Dear Dr. Johnson. I would welcome the chance to discuss my leaving date with you and urge you to contact me as soon as you can. It's okay to leave out details! To write a good and simple resignation letter, greet your manager formally, then state your intent to resign and the date you'll officially depart. A resignation letter is a formal written notice stating your intention to leave your job.