Head to your gift card product
Hover over the 'Products' menu and select 'All Products'
From the 'Products' page, find your product, click the more button and select 'View Giftcards'
Find your Gift Card
You will be taken to the Manage section of your Gift Card product. Use the search box to type in the gift card ID into the search box that appears, this will show the exact gift card you want to edit
Click the hamburger icon for that row and select View giftcard
Resend the Gift Card
A new page will open, scroll down to the bottom of the page and click Resend Giftcard. If this is a physical giftcard, this button will not be visible
A pop-up modal will prompt you to type in the gift card recipient's email address, click Send Email when you are ready
Please note this will send a confirmation to the purchaser that the gift card is being sent (again) and the action will be tracked in the Gift Card Activity history