We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company. Find out how to write the perfect resignation letter, including examples and templates of a professional resignation letter.Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. FREE Template and Actual Example of Resignation Letter. This sample resignation letter is available for use on UpCounsel. This letter is to inform you that I am resigning from my position as (job title) with (company name), effective (date). In the second paragraph, you can explain the reason you're resigning. You can keep it brief without too many details. Please accept this letter as a notice of my resignation. Typically, resignation letters are sent as resignation emails to a member of HR or your supervisor.