We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Find out how to craft a professional and appropriate resignation letter with our simple guide.Contact Interior Talent for more information. Find out how to write the perfect resignation letter, including examples and templates of a professional resignation letter. Dear (Name of Manager or Supervisor),. Employees can submit resignation letters via email or in person. Start with a proper greeting: Address your resignation letter to your immediate supervisor or manager. If yes, you have to notify your current employer in a professional manner. My final day will be September 14, 2020. 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.