Bank accounts can be linked and edited from Account & Settings in your online Square Dashboard and from More > Settings > Account > Bank Account in the Square app utilising the full routing and account number.
From this section of your Square account, you can also link multiple external bank accounts by clicking Add external bank account. From here, enter your bank account details and complete the bank verification process.
Verification for bank accounts can take up to 4 working days, and the status of the account’s verification is available within the online Square Dashboard.
Square automatically transfers funds to your linked bank account within 1-2 working days. instant transfer is available for a 1.5% fee of the transfer amount. Learn about your transfer options with Square.