Learn how to write a resignational letter if you're quitting for personal reasons. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. I am writing to formally notify you of my resignation from my position at PQR. Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Below you'll find a sample resignation letter informing the employer that the employee is resigning due to a new job opportunity. I expect to work up to that date unless informed otherwise. I regretfully have to inform you that, after much thought, I have decided to resign and please accept this letter as a formal notice of my resignation.