In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. How to Use Two Weeks Notice Letter?A two weeks notice letter is vital for maintaining professionalism, ensuring smooth transitions, securing future references, and legal compliance. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. Two weeks is a professional courtesy and just the common expectation. It's really up to you how much notice you feel is reasonable to give. A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. Need to write two weeks notice? State the Date: The most important thing you need to say in your letter is when you will be leaving the company.