What form is used to file a tax extension?
Sarah Duran
Published May 16, 2026
Form 4868
Form 4868 gives taxpayers a six-month extension, for any reason, to file federal income tax returns. In order to get an extension, you need to fill out the form no later than the original due date of the return. Filing the IRS extension form doesn’t give you more time to pay your taxes if you owe them.
Which form is used to grant you an extension on your filing deadline?
You can file an extension for your taxes by submitting Form 4868 with the IRS online or by mail. This must be done by the tax filing due date. Filing an extension for your taxes gives you additional months to prepare your return no matter the reason you need the extra time.
What is the best way to file an extension?
What are the forms for extension of time to file taxes?
Form 7004, Application for Automatic Extension of Time to File Certain Business Income Tax, Information, and Other Returns Form 1138, Extension of Time for Payment of Taxes by a Corporation Expecting a Net Operating Loss Carryback
Which is the correct form to apply for an extension?
Make sure you are using the correct extension application form for your business type: Form 4868 for small businesses and individual filers, and Form 7004 for partnerships and corporations. Also make sure you are using the form for the current year. The revision year is on the upper right-hand corner of the first page.
When is the deadline to file an extension?
E-file Your Extension Form for Free Individual tax filers, regardless of income, can use Free File to electronically request an automatic tax-filing extension. Filing this form gives you until October 15 to file a return.
Can a file extension change the format of a file?
File extensions also often indicate the file type, or file format, of the file, but not always. Any file’s extensions can be renamed but that won’t convert the file to another format or change anything about the file other than this portion of its name.