How to write a resignation letter that's effective immediately? In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started.This resignation letter sample provides your employer with a letter for your file and also suggests that you've done everything you can to remain professional. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. Craft your immediate resignation letter with ease using our expert tips and samples to ensure a smooth transition from your job.