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How long does powdered milk last?

Powdered milk keeps for about 3 to 5 years in the pantry. Counted from when you open or store it, unless the package says otherwise.

WhereHow long
Pantry3 to 5 years
Pantry, after opening3 months

3 - 5 year timetable based on cool temperatures, dark storage. May spoil as quickly as 3 months in hot temperatures.

Storage times are the USDA FoodKeeper guidance for quality and safety, not a guarantee; a printed use-by date on the package comes first. Source: USDA FSIS FoodKeeper (CC0), fetched 2026-10-27, category Dairy Products & Eggs.

How Known uses thisWhen a receipt lists powdered milk, Known estimates an expiry from the purchase date and typical shelf life and shows which rule it used, for example "7-day rule". Shelf-stable staples get no date at all.

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