Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Simply state something like "Effective this dste, consider this my two week's notice. My last day will be September 1. Provide at least two weeks' notice when leaving a job (preferably longer; double check requirements with HR). Specify a date and state your intentions clearly. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. The body of your letter can be one statement that explains you're leaving your job on a specified date. A resignation letter outlines important details such as your last working day and any agreedupon notice period.