There are two ways to create a linked spousal return:
When creating your returns, you can choose to create a linked return when entering your marital status.
Your marital status should be Married or living common law. The software will ask you if you want to create a linked return as shown in the screen capture below.
If you choose to create a linked return, you can personnalize the color of your returns to better identify them.
If you have already created your returns and you want to link them, you can do so by clicking "Link returns" from the tools menu. See screen capture below.
In Order to be able to link the returns:
You can also unlink your returns the same way you linked them.
Please note that when creating a linked return you still need to file both of your returns.