Learn how to write formal and informal letters with different purposes and styles. Find out the format, structure, and tips for letter writing with solved and unsolved examples. Learn how to write a formal letter with proper format, structure, and examples. Perfect for business, applications, and official purposes. Everyone should know how to write a letter , whether a business inquiry, email, personal letter , or letter -format social media post. Letter writing … This article helps learn How to Write a Letter in English whether it is a Formal or Informal Letter , you'll master letter writing by the end.