It's best to tell your boss that you're moving on to the next step in your career "facetoface or over video call," with at least two weeks' notice. Use the first sentence in the first paragraph to clearly state that you are retracting the resignation letter that you previously sent.Contact your company's manager or HR department and let them know that you want to rescind your resignation. How to write a resignation letter that's effective immediately? Be direct and concise. Tell them, "Thank you, I appreciate your offer, but I've already accepted an offer that I feel is the best move for my career." In this blog, you will learn: What a resignation letter is. Why a resignation letter is needed. Have you changed your mind about quitting your job? Learn tips for rescinding a resignation and examples to guide you through the process.