Below you'll find a sample resignation letter informing the employer that the employee is resigning due to a new job opportunity. In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference.How to write a resignation letter that's effective immediately? I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. I am writing to formally notify you of my resignation from my position at PQR. It should be at the start of the letter and include the name of the company, your title, and your last day of employment. Be direct and concise. Remember to leave the company on good terms, starting with a 2 week notice letter. We've got you covered, from tips to samples. Professional resignation letter examples for different reasons.