Follow these instructions to add and manage another account user, whether or not they’re a Capital One 360 Checking® customer.

  1. Sign in to your account online. Please note that this feature is not available in the Capital One Mobile app.
  2. Select the account you’d like to add someone to.
  3. Click “Account Services and Settings” under your account balance information.
  4. Under “Account Management,” select “Manage Account Users.” step 4
  5. Select “Add” next to “Secondary Account Holder.” step 5
  6. Follow the prompts to add another user to your account. step 6a step 6b Add an account user now. Sign in to your account.