Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. The best opening statement for a resignation letter is one that clearly states your intentions. I regretfully have to inform you that, after much thought, I have decided to resign and please accept this letter as a formal notice of my resignation. Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates. Dear (Manager's Name),. I'm writing to you today to submit my notice and resignation letter.