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. State that you wish to quit and include your final day of work.In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Many of the forms need to be downloaded before you can make edits. 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. We've prepared several resignation letter samples and templates for crafting a concise yet professional resignation letter. Letter of Resignation Mr. KYL.