You can download patient demographics, including email address, from the patient tab:
- Filter by patient population you would like a report of i.e. if you only want to email active patients, click 'All Patients' and select 'Active Patients'
- Click the cloud with the down arrow to export to CSV
- From the next screen you can select which fields to export by checking the box next to the field. Ensure 'Email' is selected. Then click 'Export'