Hello, I'm an expert in food safety and preservation. When it comes to the shelf life of Kraft Singles cheese, there are a few factors to consider.

Unopened Kraft Singles will generally last for about 2 to 3 months beyond the printed expiration date if stored properly. Once opened, they should be used within 1 to 2 weeks if kept in the original packaging and refrigerated at a temperature below 40°F (4°C). It's important to note that the "best by" date on the package is not a safety indicator, but rather a quality indicator, meaning the cheese may still be good to eat after this date if it has been stored properly.

However, always check for signs of spoilage before consuming. If the cheese has an off smell, mold, or a slimy texture, it should not be consumed.

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Bacterial growth is the main reasons why cheeses go bad, so American cheese will hang around in your fridge for quite some time; the expiration date printed on packages is generally about five to six months after the cheese is produced, but you'll probably be safe using that just as a guideline; toss the cheese once it ...read more >>