TurboTax FAQ
TurboTax FAQ
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How do I file an IRS extension (Form 4868) in TurboTax Online?

IRS extensions for tax year 2016 must be filed before these deadlines:

  • April 18, 2017 for domestic taxpayers.
  • June 18, 2017 for taxpayers outside the country.

It's not possible to file a post-deadline extension.