A data file is a digital document that stores information in a structured format. It can contain various types of data, such as text, numbers, or images, and is often used by computers to organize and manage information efficiently. Common examples of data files include text files, spreadsheets, and databases. Data files can be created, modified, and accessed using different software applications. They are essential for tasks like data analysis, record-keeping, and information sharing. Proper management of data files ensures that information is easily retrievable and usable for various purposes, such as research or business operations.