Why should I write a resignation letter? Resignation letters are professional courtesies that extend your professionalism, even in the last.Use one of our resignation letter templates. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. A good resignation letter is brief, succinct, and expresses gratitude to your employer. Use this sample to part ways amicably. 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. Communicate Professionally: Whether it's a formal resignation letter or casual goodbyes, maintain a tone of professionalism and gratitude. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.