How to configure auto invoice attachment with multiple email type? – Woo Invoice

    In order to configure Email Attachment follow the steps below:

    1. Go to the Woo Invoice > Settings from your WordPress Dashboard.
    2. Click on the Settings tab.
    3. In the Invoice Settings sub-section toggle Attach to Order Email on. 
    4. Select your prefered email type. By default, this option is auto-enabled when the plugin is installed for Completed Order and Customer Invoice email.