@bernards1944 wrote: "How do I delete my 2023 federal return?"
In Online TurboTax, if it hasn't been filed, and if you have not already paid for the product, deducted the fee from your refund, or registered, you may be able to use the "Clear and start over" feature. Once cleared, just don't start over.
FAQ: How do I clear and start over in TurboTax Online?