Effective appointment letter guide: formats, templates, examples for HR managers and recruiters. Appointment Letter starts an individual’s journey with a new firm. This article will cover all touch bases related to its importance, drafting, and more. Grab 5 free appointment letter templates. Learn the right format , key sections, and how HR can streamline offers with automation. Download a professional appointment letter format for free. Get ready-to-use samples to draft appointment letters easily for your employees.