Here is a compilation of formal resignation letter templates to ease the pressure off you when writing your professional resignation letter. Below is a template that follows the proper two weeks' notice letter format that you can copy and fill in with your information.In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. Learn how to write a resignation letter with a notice period. Please accept this letter as my formal resignation. Today will be my last day of work. Use a formal business format for the actual letter itself. Notify your manager in person before you submit your formal resignation letter. Most of us will have to work a notice period, so the sooner your resignation letter is in, the quicker you'll be starting your new job.