Can I e-file a late return?

The last day you can e-file a 2025 tax return is November 19, 2026. Here are some things to keep in mind when e-filing a late return:

• You can only e-file certain prior years.
• The filing deadline for your 2025 tax return is April 15, 2026 (October 15, 2026, if you file an extension).
• The payment deadline for your 2025 tax return is April 15, 2026, even if you file an extension.