E-filing refers to the electronic submission of documents, typically tax returns or legal forms, through the internet. This process allows individuals and businesses to file their paperwork quickly and securely, often using specialized software or online platforms. E-filing is designed to streamline the submission process, reduce paperwork, and minimize errors. Many government agencies, such as the Internal Revenue Service (IRS) in the United States, encourage e-filing due to its efficiency. E-filing can also provide instant confirmation of receipt, making it easier for users to track their submissions. Overall, e-filing simplifies the filing process for various official documents.