An enclosure letter is a formal letter that is often used in business communication to include additional documents or information with the main letter. The purpose of an enclosure letter is to ensure that the recipient is aware of and has access to all the relevant documents mentioned in the main letter. This can help provide clarity and avoid any potential confusion. The format of an enclosure letter usually follows the standard business letter format. It includes a sender's address, date, recipient's address, salutation, body paragraphs, closing, and signature. The term "Enclosure" or "Enc." is typically mentioned at the bottom left side of the letter, followed by a brief description of the attached documents. There are a few different types of enclosure letter formats that may be used depending on the specific situation: 1. Standard Enclosure Letter: This is the most common type of enclosure letter format used in general business correspondence. It includes a concise and clear description of the enclosed documents, ensuring they are easily identifiable and accessible. 2. Supplementary Enclosure Letter: In some cases, it may be necessary to include multiple sets of documents or a combination of documents and other items. A supplementary enclosure letter format allows for a more comprehensive listing of all the enclosed items, their relevance, and any specific instructions. 3. Delayed Enclosure Letter: When there is a need to send additional information after the initial letter has been sent, a delayed enclosure letter format can be utilized. It emphasizes the fact that certain documents were not available at the time of the original letter and provides an updated list of the enclosed items. 4. Enclosure Cover Letter: In situations where a main letter is accompanied by several attachments, an enclosure cover letter may be used. This format serves as a cover page for the enclosed documents, listing them in a structured manner. It may provide a brief explanation of each attachment and how it relates to the main letter. Enclosure letters play an essential role in ensuring effective communication by providing all the necessary supporting materials. By following the appropriate enclosure letter format, senders can convey their message clearly and recipients can easily identify and access the enclosed documents.