Leftovers (pizza) keep about 3–4 days in the fridge at 40°F (4°C) or below, counting from the day you bought them. Frozen, they keep about 1–2 months.
| Situation | Keeps for |
|---|---|
| Unopened · fridge | 3–4 days |
| Freezer | 1–2 months |
About 3–4 days at 40°F (4°C) or below, according to USDA FoodKeeper v128. That window runs from the day you bought it — FoodKeeper publishes no separate after-opening figure for this one.
Yes — keep Leftovers (pizza) at 40°F (4°C) or below. Refrigerate at 40°F (4°C) or below.
Look for: A slimy film or tacky surface; Sour, off, or fermented smell; Mould or discoloration; Liquid pooling in the container. Never taste something to test it — when in doubt, throw it out.
Yes — USDA FoodKeeper v128 gives about 1–2 months in the freezer at 0°F (−18°C). Frozen food stays safe indefinitely; that window is about quality, not safety.