ExpressExtension Support Find answers to your questions. Get Answers Support Getting Started General Would the IRS accept my extension? If you e-file your extension on or before the deadline with all the correct information, the IRS will accept your forms. However, the extension will never extend the deadline to pay any taxes you owe to the IRS. Was this helpful? Yes No Related Questions I have transmitted my extension form. What's Next? Is the ExpressExtension Site Legitimate for Filing Extension Forms? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (803) 514-5155 [email protected]