I'd like to take the time to thank you, most sincerely, for the support and leadership you've given me during my tenure with ABC Organization. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. Learn how to write a heartfelt resignation letter with our guide. Includes examples and tips for a sincere and graceful farewell. Linked below are templates for resignations and retirements. Please be certain that your letter is signed, dated correctly and addressed to your administrator. Motivation letters can encourage employers to interview you.