Formal Letter And Informal Letter Format. It uses simple language, which is easy to read and interpret. Another difference that can be observed is the structure of the letter.
A letter is a written message from one party to another containing information. A formal business letter has the proper format and is written using the formal set of words so that the subject matter of the letter can be delivered in a respective manner. On the contrary, informal letters are written to friends and relatives for personal communication and require a casual or emotional tone.
Format of formal and informal letter gate question.
A formal letter follows a strict structure while an informal letter does not follow a strict format. So can it be considered that letters have either a formal or informal structure? Rules for writing informal letters: If you are having a professional relationship with the recipient, then you should go for a formal letter, whereas if the recipient is someone very close to your or you know the recipient well, then informal letter is the right choice for you.