How Long Does Cheese Last After Opening?

Quick Answer

After opening, soft cheeses last about 1–2 weeks and hard cheeses last 3–6 weeks in the refrigerator. The firmer and lower-moisture the cheese, the longer it keeps, because bacteria and mold need moisture to thrive. Wrapping cheese properly in parchment or cheese paper (not tight plastic) and keeping it cold extends its life considerably.

Shelf Life by Cheese Type (After Opening)

Cheese Type	Examples	Fridge Life After Opening
Fresh / soft	Ricotta, cottage, cream cheese	5–7 days
Soft-ripened	Brie, Camembert	1–2 weeks
Semi-soft	Mozzarella, Havarti, Muenster	1–2 weeks
Shredded (bagged)	Cheddar, mozzarella blends	5–7 days
Sliced	Deli American, provolone	2–3 weeks
Hard	Cheddar, Gouda, Swiss	3–4 weeks
Very hard / grating	Parmesan, Pecorino, aged Gouda	4–6 weeks

How to Store Cheese So It Lasts

• Wrap in cheese paper or parchment, then loosely in foil — this lets the cheese breathe while holding moisture.
• Avoid tight plastic wrap for aged cheeses; it traps moisture and can impart off flavors.
• Store in the warmest part of the fridge, usually a dedicated cheese or vegetable drawer (around 35–45°F).
• Keep strong and mild cheeses separate so aromas don't transfer.
• Re-wrap in fresh paper each time you cut into a wheel or block.

Factors That Affect How Long Cheese Lasts

• Moisture content: High-moisture soft cheeses spoil fastest; dry aged cheeses last longest.
• Pasteurization and processing: Processed and heavily aged cheeses resist spoilage better than fresh artisan cheeses.
• Temperature stability: Frequent temperature swings from opening the fridge shorten shelf life.
• Cross-contamination: Cutting with a dirty knife or touching the surface introduces bacteria and mold.
• Packaging: Vacuum-sealed and resealable options outlast loosely covered pieces.

Can You Freeze Cheese?

Yes, though texture suffers. Hard and semi-hard cheeses freeze best for up to 6 months; they become crumbly and are best used in cooking after thawing. Soft cheeses like brie and cottage cheese don't freeze well and turn watery.

Signs Cheese Has Gone Bad

Toss cheese if you notice:

• Unexpected mold on soft cheese (discard the whole piece)
• Mold beyond the surface on hard cheese — you can cut 1 inch around a small spot on hard cheese, but discard if it's widespread
• Ammonia or sour, off smells
• Slimy, sticky, or unusually dry, cracked texture
• Bitter or fizzy taste

When in doubt, throw it out — moldy soft cheeses in particular can harbor harmful bacteria like Listeria.