Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.It is important to be polite, grateful, and succinct when expressing your intention to resign. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. Time for a new challenge? Learn how to write a resignation letter that's polite and professional. Second paragraph: You can explain why you're leaving in the second paragraph, but keep it brief and professional. I want to thank you for all you have done for me here at XYZ Company.