We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide.Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Leaving a job isn't easy. Your resignation letter should be upbeat and positive. It should be written to your immediate supervisor, expressing warm feelings for the company, and regrets. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. The idea is to relay all the important information concerning your resignation while keeping it short and concise. Top-left (below the manager's address): Insert the date here.