You can remove the email address of your customers from invoices by following the simple steps below.
Step 1: Open Simple Invoice from the “Apps” section of your Shopify store.
Step 2: Click on the “Templates” on the Simple Invoice dashboard.
Step 3: Click on the Options section, and unclick on the Show Shipping Email, the Show Billing Email, and the Show Customer Email options under the Order Details.
Step 4: Click on the Save button.
