You have until May 1 to file your return but your extension had to be filed by April 15th in order to do it electronically. You can still request an extension by today but it has to be mailed in. You can find the extension form on the IRS website.
[Edited 05/01/2025 10:31 AM PST]
The IRS will identify your May 1 deadline by your zip code.
There is confusion here.
If you want to file today (May 1), just file. The IRS will apply your extension automatically based on your address. Don't worry if turbotax thinks you are late.
If you want to request a further extension to October 15, you must mail a copy of form 4868 requesting an extension, and it must be postmarked today. You may want to use a mail service that includes proof of mailing and proof of delivery. (Turbotax can't process an electronic request for extension after April 15, but the IRS will give it to you based on your address if you apply by mail.)