If you used TurboTaxEasy Extension, you should receive a confirmation from TurboTax within 48 hours of submission.
You may also contact the Internal Revenue Service at 1.800.829.1040 to determine if your extension was received and approved.
If you need to verify this information, it is on your 4868 extension form. Please see the TurboTax FAQ below for instructions on how to print your 4868 extension form to confirm this information:
https://ttlc.intuit.com/replies/4736887
