CNBC Pro subscribers can link up to six brokerage accounts to My Portfolio via Plaid's secure encryption technology. If you have already six accounts linked to My Portfolio, you will first need to remove one of your accounts in order to add a new one.
To remove one of your accounts, follow the instructions below:
1. Click on Edit Accounts
2. Select the account you would like to delete and click on the red trash can icon
3. Click on Done Editing to save your changes
4. You will now be able to add another brokerage account to My Portfolio by clicking on the Link Another Account link on the left.