Follow these instructions to add and manage another account user, whether or not they’re a Capital One 360 Checking® customer.
- Sign in to your account online. Please note that this feature is not available in the Capital One Mobile app.
- Select the account you’d like to add someone to.
- Click “Account Services and Settings” under your account balance information.
- Under “Account Management,” select “Manage Account Users.”
- Select “Add” next to “Secondary Account Holder.”
- Follow the prompts to add another user to your account. Add an account user now. Sign in to your account.