Step 1: Go to https://dashboard.stripe.com/payments and log in if needed.
Step 2: Search for the user account by email or by the last 4 digits of the customer's credit card. Then click the payment transaction you want to view.
Step 3A. To view customer's official receipt, scroll down and look for the Receipt history section then click the Receipt button. (You can also download the PDF version on the link at the bottom of the receipt).
Step 3B. To send customer's official receipt, scroll down and look for the Receipt history section. Click "Send Receipt" and double check the email and click the Send button.