In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. You want to give at least a two weeks' notice.Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. It's best to tell your boss that you're moving on to the next step in your career "facetoface or over video call," with at least two weeks' notice. Here's a step-by-step guide on how to write a resignation letter, with examples and a template to make it as easy as possible for you.