How do I prepare a spousal or coupled return in TurboTax Online?

In online versions of TurboTax, you can prepare your spouse or common law partner's tax return at the same time as yours. This is called a spousal/coupled return. If you’ve already started your return but haven’t indicated that you want to prepare together, you'll need to start a new return and indicate that you want to prepare your spouse or common-law partner’s return together with yours. Follow the instructions provided to begin this process:

Note: Once you fill out your personal information, you won’t be able to go back and change your selections at Who are you preparing this return for? and Do you want to prepare your returns together?