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. 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. Your resignation letter should be to the point, concise, and clear. Resignation Acceptance Email templates: Discover how to write an effective resignation acceptance letter.