You want to give at least a two weeks' notice. Learn how to write a professional resignation letter with our stepbystep guide including 15 resignation letter examples for various situations.A two weeks notice letter is vital for maintaining professionalism, ensuring smooth transitions, securing future references, and legal compliance. Specify your last working day within two weeks from the notice date. Clearly state the final day to avoid misunderstandings. Explore why a good resignation letter is important and how to write it, and check out our free resignation letter examples.