After you file

You can use TurboTax Easy Extension from inside your return by following this steps - 

  • Log into your account
  • Hit Take Me to My Return
  • Underneath Manage My Return, you should see a link to File an Extension
  • Click that link
  • Begin your extension

You can also access from Federal Taxes > Other Tax Situations > Scroll down to Other Tax Forms > Select File an Extension

You can also use this link below -

https://turbotax.intuit.com/irs-tax-extensions/