In the opening paragraph, state that you are informing your employer that you will resign from your job in two weeks. How to Write a Two Weeks' Notice Letter.Here are five easy steps that you can follow in writing your professional two weeks' notice: 1. A two weeks notice letter must be professional and concise. Clearly state the intention to resign, citing the last working day. Below we discuss the importance of a resignation letter and what you should include when writing one, with some templates to guide you. Are you getting ready to leave your job? Here's how to write a professional two weeks' notice resignation letter, with examples. You want to give at least a two weeks' notice. My last day will be March 8.