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. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Sample Resignation Letters. I want to assure you of my gratitude for a rewarding professional association during my tenure with ABC Company. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Second paragraph: You can explain why you're leaving in the second paragraph, but keep it brief and professional.