You want to give at least a two weeks' notice. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. 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. What form(s) do I need to fill out? What document(s) do I need to bring? This article teaches you how to write a resignation email with the help of resignation letter email examples and our resignation email template. Linked below are templates for resignations and retirements. Please be certain that your letter is signed, dated correctly and addressed to your administrator.