How to write a resignation letter that's effective immediately? If you're planning to quit your job here is the compilation of the best resignation letter samples to help you easily draft your resignation letter.Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. I am writing to inform you about my immediate resignation from your company. Clear communication, a well-crafted notice letter, and a commitment to aiding in the transition can mitigate potential challenges. Please accept this letter as my formal resignation. Today will be my last day of work. Most employers ask that you give them two weeks' notice before walking out the door for good. 'Resign' and complete prompts. Upload Resignation Letter.