The shelf life of Orville Redenbacher's popcorn generally varies depending on the specific product and packaging conditions. Unpopped popcorn kernels, when stored in a cool, dry place, can typically last for about two to three years. It is important to ensure that the kernels are kept in an airtight container to maintain their freshness and popping ability. For microwave popcorn, the shelf life is usually around six to eight months from the date of manufacture, assuming the package remains unopened and is stored in a suitable environment. To ensure the best quality and flavor, users should always check the expiration or "best by" date printed on the packaging. For any specific inquiries or further details, the current web page for Orville Redenbacher's might be a helpful resource to explore.