Are you planning to write or send messages to you family and friends? Here are the friendly letter formats that you can download.In this article, we discuss how to write a letter, the types of letters and an example letter to help you draft your own. A letter to a friend. Look at the exam question and letter and do the exercises to improve your writing skills. Always have professional consent forms on hand with our free permission slip templates you can customize and print. Learn the art of friendly letter writing with examples and helpful tips. When addressing a casual letter to a friend or loved one, it's alright to use a shortened form of your given name or a nickname, such as "Chuck" or "Shorty. Be direct, be honest and speak or write from your heart. Tell them how you enjoy being with them.