Butter: Does it expire?
YES — Refrigerate 1–2 months
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| Storage | Unopened | Opened |
|---|---|---|
| Refrigerator | 1–2 months | — |
| Freezer | 6–9 months | — |
- May be left at room temperature for 1 - 2 days.
Sources & safety note
Sources: USDA FoodKeeper (CC0 open data). Freezer safety note: commercially frozen foods are safe indefinitely at 0°F (-18°C); posted times reflect best quality.
New to this? See our storage & safety guide for quick best practices.