Enclosure in a formal letter refers to additional documents or materials that are included with the letter for reference or verification purposes. These enclosures are usually mentioned at the end of the letter, following the signature block and are denoted with the abbreviation "Enc." or "Encl.". They often serve to provide further information, support claims, or complement the main content of the letter. Enclosures help ensure that all relevant information is shared and that the recipient has access to the necessary materials. There are different types of enclosures commonly used in formal letters, intended to enhance the clarity and effectiveness of communication. Some of these types include: 1. Supporting documents: These are additional papers that support and provide evidence for the claims or statements made in the main letter. For example, if a formal letter is requesting reimbursement for expenses, supporting documents such as receipts or invoices may be enclosed. 2. Copies of contracts or agreements: Enclosing copies of contracts or agreements ensures that all parties involved have access to the same information and can refer to the enclosed documents as needed. This helps prevent any confusion or misinterpretation of terms and conditions. 3. Certificates or licenses: Formal letters often require proof of certifications, licenses, or qualifications. Enclosing these supporting documents ensures that the recipient has the necessary evidence, facilitating trust and transparency in professional transactions. 4. Reports or research papers: In certain cases, formal letters may require the inclusion of reports, research findings, or other technical documents relating to the subject. These enclosures provide a comprehensive understanding for the recipient and ensure that relevant information is accessible. 5. Brochures, pamphlets, or marketing materials: When a formal letter is related to a promotional offer, event invitation, or any marketing-related communication, enclosures such as brochures, pamphlets, or advertising materials may be included to provide additional information and create a comprehensive package. 6. Photographs or visuals: In specific circumstances where visual aids are vital for understanding or clarification, formal letters may include photographs, diagrams, or other visuals as enclosures. These visuals can aid in explaining complex concepts or providing evidence. It is important to mention each enclosure in the main body of the letter, usually after a reference or explanation, and to provide a brief description of the content of each enclosure. Properly formatting and organizing enclosures in a formal letter exhibit professionalism, attention to detail, and an understanding of effective communication.