In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. We've rounded up tips and examples for writing a resignation letter that'll help you maintain work relationships long after leaving a company.In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Use a formal letterhead, a formal salutation and sign off, and employ a positive tone. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. Use their name and formal title, such as "Dear Mr. Smith" or "Dear Dr. Johnson. My last day will be September 1. The employee should make sure to include their name, current job position, a brief explanation of why they are resigning, and what date their last day will be.