Last Day To File Taxes 2025 Extension Deadline. If you know you won’t be able to file your taxes by the april 15 deadline, you can file for an extension, which will give you an extra six months to send the irs your return. The official deadline for most people to file federal tax returns is tuesday, april 15, 2025.
The last day to claim your refund is april 16, 2026. The same goes for businesses: