Guides › How long does food last › Retort pouches or boxes
How long does retort pouches or boxes last?
Retort pouches or boxes keeps for about — in the freezer. Counted from when you open or store it, unless the package says otherwise.
| Where | How long |
|---|---|
| Refrigerator, after opening | 3 to 4 days |
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 Poultry / Shelf Stable Foods.
How Known uses thisWhen a receipt lists retort pouches or boxes, 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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