Every individual should know the Formal letter format. Formal letters, often known as Business or Professional letters, are letters with a predetermined format. Informal letters are, by definition, less formal than formal letters. To be able to write a formal letter, students must first understand what the letter’s goal is and know the formal letter format. When it comes to formal letters, the structure differs depending on the letter’s purpose. Students must follow precise criteria while writing a professional letter. Every sentence should be carefully considered and crafted so that the message students wish to convey to the reader is clear and correct. Letters to the Editor are letters in which the writer expresses a concern that should be brought to the attention of higher authorities. Letters should be written professionally and sincerely according to the formal letter format. Because no newspaper will publish anonymous letters, make sure to write for a worthwhile cause and include full name and address in your message. For example, a formal letter is written to the company’s manager and includes the reason for the resignation in the same letter. The letter’s first paragraph should explain why a person is writing so that the reason for contacting the person is obvious right away.