Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.One way to leave on good terms is to write a polite, professional resignation letter in which you thank your employer for your time at the company. 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. The formatting of a professional resignation letter should be brief and to the point. In the letter of resignation, leave your basic contact information in the header. I am prepared to assist remotely in the transition of my responsibilities to minimize disruption. Your resignation email's subject line should say your name and that you're resigning. I'm writing to give my formal notice that I'll be leaving my role as office manager for Larry and Keets Financial Partners on July 31. A few examples might help.