Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Create an Immediate Resignation Letter without a notice period using our free printable templates. Resign with a professionally designed document. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.