if you already started your return
To file an extension, you need to:
1) sign in to TurboTax.
2) Select File an extension in the left menu. If you don't see File an extension, open a section of your return, search for extend and select Jump to extend. You can also select Tax Tools then Tools from the left menu and choose File an extension.
3) Follow the instructions to e-file your extension.
Yes TurboTax has the form to file for an extension - see steps below:
Or