Please follow these steps to add or discard account from ‘All Accounts’:

iOS:

• Click on the Pencil-symbol in the upper right corner > then click on ‘Edit’ for the card ‘All Accounts’

• Select the accounts at ‘Included Accounts’

macOS:

• Click on the Pencil-symbol in the upper right corner > then click on ‘Edit’ for the card ‘All Accounts’

• Select the accounts at ‘Included Accounts’