1. Go to 'Components' -> Select 'Hikashop'

2. In Hikashop -> Go to 'System' tab and choose 'Mass Actions'

3. Then click on 'Customer Data'

4. You can tick the field to display in the customer data

5. Choose the file format to save the data

6. Once you have done, click the button 'Save' -> Then click the button 'Process' -> Download the file