How do I file by mail?

You must pay the TT fees first.

Please see the instructions below on how to print and mail my return in TurboTax Online:

1. Sign in to your TurboTax Online return.
2. Select File and you’ll get to the [Your name], just (…) more steps and we'll file your returns screen.
3. Complete Steps 1 and 2 if you haven’t already done so, then select Start next to Step 3.
4. On the Let’s get ready to e-file screen, select File by mail, then on the pop-up screen make sure you select File by mail for federal and all of your states.
   • If the File by mail option isn’t available, you probably previously selected to pay your TurboTax fees through your tax refund. In order to file by mail, you’ll need to pay with a credit or debit card (or use the Free Edition of TurboTax). Here’s how to change your payment method from pay by refund, to pay by credit or debit card.
5. Once you have changed your payment method to credit or debit card, follow the onscreen instructions to print your return. If you haven't already paid any outstanding TurboTax fees, you'll be prompted to do so before you can print.

If you just need the mailing address:  We'll provide the address in the filing instructions document that prints out with the paper copy you'll file. For your federal return, you can also look it up at this IRS website.

How do I file my Return by mail 

@Lcoach21    It will print out with mailing instructions.

https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online/00/26258

TurboTax will not know anything about your mailed return, and will continue to show “Ready to Mail” on your account.  TurboTax will not know that you put your tax return in an envelope and took it to a mailbox.  TurboTax does not get updates on mailed  (or emailed) returns.

Wait about 4 weeks from when you mail a return and then you can check the status on the IRS site. https://www.irs.gov/refunds

State returns have to be mailed to the state.

https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund

If you mail a tax return (or a payment) to the IRS, it is a good idea to use a mailing service that will track it like UPS or certified mail so you will know it was received.