Extending a voucher
Extending a voucher is now even easier than before, you just need to have Administrator Access to the Merchant Centre
Step 1:
Click on the email of the Customer
Step 2:
Click on the Offers tab, and search for the offer you want to extend
Step 3:
Click on Actions and Extend
Step 4:
From the dropdown select your extension period, and click Extend
That's it!