Fresh unopened coconuts can be stored at room temperature for up to four months, depending on its original freshness when purchased. Grated fresh coconut should be put in a tightly sealed container or plastic bag and stored in the refrigerator for up to four days or frozen for up to six months. Unopened canned coconut can be stored at room temperature for up to eighteen months. Packaged coconut in plastic bags can be stored up to six months at room temperature. Once opened, canned and packaged coconut should be refrigerated and used quickly, within 5 to 7 days for canned and within 3 to 4 weeks for dried.