Ans. The types of business correspondence commonly used in organizations include letters, memos, emails, reports, and notices. Letters are formal written communications used for various purposes, such as making inquiries, placing orders, or conveying information. Memos are internal communications used to inform employees about important matters. Emails are electronic messages exchanged between individuals or groups. Reports provide detailed information on a specific topic or project. Notices are formal announcements made to inform individuals about upcoming events or changes.