English business correspondence includes e-mails, letters, and faxes. This course teaches vocabulary, idioms, and formal requirements in business correspondence while considering the differences between e-mail, fax, and letter formats. It consists of 8 lessons, each focusing on a specific topic, such as making enquiries, contacting customers, handling issues, and product promotion. The course features a theoretical introduction alternating with written exercises and provides a wide range of sample letters and e-mails, along with a register of all letters and useful idioms.