Freeze fresh pineapple by arranging pieces of pineapple on wax paper or a cookie sheet so they are not touching and then placing them in the freezer, according to TheKrazyCouponLady.com. Store the pineapple in a freezer bag or other container safe for freezers.
This method works with fresh and canned pineapple, but fresh pineapple needs to be peeled, cored and cut before freezing. Pineapple lasts for up to 10 months in the freezer, so it is advised to label the containers with the date they were frozen. To prevent freezer burn, squeeze air should out of the bag, or suck it out with a straw.