Sauces and condimentsHow long does duck fat keep?
Duck fat: 30 days in the fridge.
Pictured: sauces and condiments, not this exact food.Photo: OmarSharif1234 · CC0 · Wikimedia CommonsMore sauces and condiments
General U.S. guidance from public USDA data. It is not a promise that a food is safe: if it smells, looks or feels wrong, throw it out.