"Open" dates appear on most foods, including meat, poultry, eggs, bread and dairy products. They include the best-by, sell-by ...

If you see the words “best if used by” on a salad mix package or canned food in a store, what does that mean to you?

Yogurt may be good for up to two weeks after the "Best If Used By/Before" or "Use-By" date. This label is the date manufacturers recommend using the product while it's still at its best.