If mold is a problem in your home, you should clean up the mold promptly and fix the water problem. It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth. Molds gradually destroy the things they grow on.
Quick Answer. Canola oil, blended oil, olive oil and safflower oil can all be used for up to two years past their expiration date when unopened. Sesame oil, vegetable oil, corn oil, coconut oil and hazelnut oil all can be stored up to one year past their expiration date when unopened. Keep Learning.
A quality coconut oil will last up to 3 years without going rancid. Compare that to olive oils which go rancid very quickly and need refrigerated. Different coconut oils vary in shelf life, but you can safely assume that every coconut oil lasts at least a year, but a few years is the most common scenario.