In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. I am writing to inform you of my two weeks notice.Effective August 18th will be my last day. Learn how to write a professional two weeks notice letter with our easytouse template. Simply state something like "Effective this dste, consider this my two week's notice. My last day will be September 1. Giving a two-week notice letter is a professional way to inform your employer that you intend to resign from your current position. You want to give at least a two weeks' notice.