Is Frozen Food Still Ok To Eat. Discard foods that have been warmer than 40 °f for more than 2 hours. However, over time all frozen food will deteriorate in quality and become unappetising to eat when defrosted.
Here are a few signs your frozen food may be past its prime. Food will remain chilled for four to six hours if the door is not opened. It's not necessary to cook raw foods before refreezing.