This document provides guidance on writing various types of professional correspondence, including cover letters, thank you letters, networking letters, follow-up letters, and email correspondence. It discusses the purpose and components of cover letters, including opening paragraphs, second paragraphs, third paragraphs, and closing paragraphs. Tips are provided on formatting, content, and proofreading cover letters. Sample outlines are given for thank you letters, networking letters, and follow-up letters.