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. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Learn how to write a professional two weeks notice letter with our easytouse template. Learn how to write a resignation letter with a notice period. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. Use a one week notice letter template to inform your current employer that you plan to resign within seven days. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline.