A formal letter is a written communication that follows a specific format and is used for professional or official purposes. It typically includes a sender's address, date, recipient's address, salutation, body, and closing. Formal letters are used to express formal requests, complaints, invitations, job applications, inquiries, or other important matters. They are usually written in a polite and respectful tone and may require a specific level of formality depending on the recipient and purpose of the letter.
