To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.Learn how to write a professional resignation letter with concise tips and examples. How to write a resignation letter, what to say, and what not to. Find examples for different situations and a customizable letter of resignation template. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Use one of our resignation letter templates. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.