Learn how to write a professional resignation letter with 13 samples for different situations. Find out what to include, how to format , and when to submit your letter of resignation . Explore effective resignation letter examples, sample formats, and templates to guide your professional exit gracefully. Craft your resignation with confidence. Use these 15 professional resignation letter templates and free samples to quit gracefully, protect relationships, and keep benefits on track. Copy, and customize a template that fits your situation in minutes. What is the correct resignation letter format in Word? A one-page letter with Normal margins (~1 inch), 11 to 12 pt professional font, and the standard sections (notice, role, last working day, thanks, closing).