Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline."Learn the essential steps and tips for writing a professional two weeks notice resignation letter. Learn how to write a professional two weeks notice letter with our easytouse template. Typically, professional norms suggest providing a two-week notice period, so resigning more promptly can disrupt operations and cause logistical difficulties. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Dear (HR Manager's Name),. It's a professional job so the usual 2 weeks really doesn't cut it. It will take your old employer some time to replace you. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started.