FOOD STORAGE GUIDE
How long does tuna (packet) last?
SOURCE USDA FOODKEEPER · DATASET V128
Tuna (packet) keeps about 18 months in the pantry and 3–4 days in the refrigerator, per USDA FoodKeeper guidance.
| Where | How long | Notes |
|---|---|---|
| Pantry | 18 months | From date of purchase. |
| Refrigerator | 3–4 days | After opening. |
Data: USDA FoodKeeper, dataset version 128. Windows assume typical products stored properly.