How to change the expiry date of a coupon? FreshBytes Support January 17, 2020 11:22 Updated Open the "ManageApp". From the navigation menu (three lines) on top left, select "Coupons". Select a coupon (Ex. coupon FIRST ) Scroll down, you will find "Redeem By" section which shows the expiry date & time of a coupon. Related articles How to create coupon code? How to check, how many times a coupon has been used?