This gives you until October 15 to file without penalties. IRS e-file is the IRS's electronic filing program.Individuals with a valid extension for their 2023 return due on Oct. If you need more time to file your taxes, apply for an extension before the deadline to avoid additional penalties. Taxpayers now have until Feb. 3, 2025, to file various individual and business tax returns and make tax payments. What is the filing deadline? Not paying or filing your federal tax returns can result in penalties from the IRS.