Leaving a job isn't easy. How to Write (Format). Header.At the top of the letter, you should include your name, address, and at least one contact method. Download this free resignation letter template below and have it customized for your unique business legal needs today. Share this document. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Resignation Letter Template with Free Sample Form. Learn how to format a resignation letter so you can leave your job in a positive and professional manner. This does not need to be complicated a short resignation letter is the way to go. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude.