A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. Your letter of resignation should be short and professional.What to say in your resignation letter, with templates and examples. What's on this page? Please accept this as my formal letter of resignation. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. Simply start editing your resume, click "Add Phrases", look up your job title, and choose relevant phrases. I hope a two-week notice is sufficient for you to find a replacement for me. If I can help to train my replacement or tie up any loose ends, please let me know.