USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage conditions, initial freshness, and proper handling change the answer — and those details are easy to miss.
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Last reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
This food is often safe when handled and stored properly, but safety depends on how it's been kept and whether any spoilage signs are present.
⏱️ Safe for up to 365 days after expiry if properly stored and showing no spoilage signs.


Pantry
40°F (4°C)
Store in a cool, dry place away from direct sunlight
1095 days
Bulging can, off smell, off color, cloudy liquid
Tuna salad, casseroles, sandwiches
Canned salmon, canned chicken
The expiration date on canned tuna indicates the date until which the tuna is guaranteed to be of best quality. Over time, the quality of the tuna may degrade in terms of taste, texture, and nutritional value, but this does not necessarily mean it is unsafe to consume. However, for the best taste and quality, it is recommended to consume canned tuna before the expiration date. Safety and quality are two different aspects, and while the tuna may still be safe after the expiration date, its quality may have deteriorated.
To check if canned tuna is spoiled, look for any signs of bulging or dents in the can, which could indicate bacterial growth. Additionally, a strong, off-putting odor or any discoloration of the fish inside may signal spoilage. Lastly, if the texture of the tuna appears slimy or mushy, it is best to discard it to avoid any potential health risks.
Canned tuna, when unopened, is generally safe if stored properly. However, there is a risk of contamination with pathogens such as Clostridium botulinum if the can is damaged or improperly sealed. To reduce the risk of foodborne illness, always check for any signs of damage before consumption and avoid consuming canned tuna that appears spoiled or has an off smell. High-risk scenarios include storing cans in warm or humid conditions for extended periods.
To maintain the quality of unopened canned tuna, store it in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing cans near sources of heat or moisture, as this can lead to spoilage or rusting. It is recommended to rotate your stock of canned tuna, using older cans first to ensure freshness. Once opened, transfer any unused tuna to an airtight container and store it in the refrigerator for up to 2 days.
Canned tuna has a rich history and cultural significance. It became popular during the early 20th century as a convenient and affordable source of protein. Tuna fishing has been an important industry in countries like Japan, Spain, and the United States, with each culture having unique ways of preparing and consuming tuna. In the Mediterranean region, canned tuna is often used in salads and pasta dishes, while in Japan, it is a common ingredient in sushi and sashimi.
Once opened, Tuna Canned Unopened can be safely consumed within 2-3 days if stored in the refrigerator. Make sure to cover the can tightly with plastic wrap or transfer the contents to an airtight container to maintain freshness.
If Tuna Canned Unopened has been left at room temperature for more than 2 hours, it's advisable to discard it to prevent any risk of bacterial contamination. Bacteria can multiply rapidly in perishable foods like tuna at room temperature, increasing the risk of foodborne illnesses.
The shelf life of Tuna Canned Unopened is primarily determined by the canning process and storage conditions rather than the type of container. As long as the can remains intact and properly sealed, the tuna should remain safe to eat within its expiration date.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionNeed deeper reading? Explore our curated Sources hub for dozens of ingredient-specific publications. Our food safety review methodology explains how safety determinations are made.
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Important: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out. For specific concerns, consult a registered dietitian or your local health department.