USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage temperature, how long it has been opened, and package integrity change the answer — and those details are easy to miss.
Get a yes / no answer for your mozzarella cheese →
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
May be safe if properly stored and showing no spoilage signs. Check carefully before consuming.
⏱️ Safe for up to 7 days after expiry if properly stored and showing no spoilage signs.
⚠️ Eating spoiled dairy is one of the most common causes of food poisoning at home.


Fridge
4°C (40°F)
Keep in sealed packaging or wrap in wax paper
Dairy products require consistent cold storage (40°F or below) to prevent spoilage. A refrigerator thermometer (Amazon) helps ensure your refrigerator maintains safe temperatures.
14 days
180 days
Mold, sour smell, slimy texture
Transferring opened dairy into an airtight container (Amazon) can reduce odor absorption and moisture exposure.
Use in cooking if slightly dry
Provolone, Monterey Jack
The expiration date on Mozzarella cheese indicates the date until which the cheese is expected to remain safe to consume. Beyond this date, there is a higher risk of bacterial contamination and spoilage. However, the best quality of Mozzarella cheese is usually experienced before the expiration date. For optimal taste and texture, it is recommended to consume Mozzarella cheese before the expiration date for the best culinary experience.
To determine if Mozzarella Cheese has gone bad, look for any visible mold, discoloration, or an off smell. Fresh Mozzarella should have a milky-white color and a slightly tangy aroma. If the cheese feels slimy, excessively soft, or has a sour or unpleasant odor, it is likely spoiled and should be discarded.
Mozzarella cheese, like other dairy products, is susceptible to bacterial contamination if not stored properly. The main risk associated with Mozzarella cheese is the growth of harmful bacteria such as Listeria, Salmonella, and E. coli. These bacteria can cause foodborne illnesses, especially in individuals with weakened immune systems, pregnant women, and young children. It is important to always refrigerate Mozzarella cheese promptly and ensure it is not kept at room temperature for extended periods of time.
To prolong the shelf life and maintain the quality of Mozzarella cheese, it is recommended to store it in the refrigerator at a temperature of around 4°C (39°F). Keep Mozzarella cheese in its original packaging or wrap it tightly in plastic wrap to prevent moisture loss and exposure to other odors in the fridge. If the cheese develops mold, it is best to discard it to avoid any potential health risks. To enhance the flavor of Mozzarella cheese, consider bringing it to room temperature before serving, as this allows the flavors to fully develop.
Mozzarella cheese is a traditional Italian cheese that originated in the Campania region of Italy. It is most commonly associated with classic Italian dishes such as Caprese salad, Margherita pizza, and lasagna. The name 'Mozzarella' is derived from the Italian word 'mozzare,' which means 'to cut off.' This refers to the traditional method of making Mozzarella cheese by hand-stretching and cutting the curd. Additionally, Mozzarella cheese is known for its stretchy texture when melted, making it a popular choice for dishes like pizza and grilled cheese sandwiches.
After opening, Mozzarella Cheese can be safely consumed within 5-7 days if stored properly in the fridge. Make sure to reseal the packaging tightly or transfer it to an airtight container to maintain freshness.
Mozzarella Cheese should not be consumed if it has been left at room temperature for more than 2 hours. Harmful bacteria can multiply rapidly in the 'danger zone' (40-140°F), increasing the risk of foodborne illnesses.
Yes, the type of container can impact Mozzarella Cheese's shelf life. It's best to store it in its original packaging or an airtight container to prevent moisture loss and contamination. Avoid storing it in containers with strong odors that can be absorbed by the cheese.
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.
Fruits & Vegetables
View expiration date and storage guide →
Beverages
View expiration date and storage guide →
Cooking Ingredients
View expiration date and storage guide →
Beverages
View expiration date and storage guide →
Fruits & Vegetables
View expiration date and storage guide →
Ready-to-Eat Meals
View expiration date and storage guide →
Breakfast Foods
View expiration date and storage guide →
Herbs and Fresh Produce
View expiration date and storage guide →
Fruits & Vegetables
View expiration date and storage guide →
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.
Disclosure: As an Amazon Associate, we earn from qualifying purchases. This helps support our site and allows us to continue providing free food safety information.