Can You Freeze Mayonnaise (opened)?
Complete fridge & freezer storage guide — backed by USDA data
The Quick Answer
Emulsion breaks permanently, separating into greasy watery liquid.
How Long in the Fridge?
Keep refrigerated at or below 40°F (4°C).
How Long in the Freezer?
Emulsion breaks permanently, separating into greasy watery liquid.
How to Store Mayonnaise (opened)
Store with lid tightly sealed; keep toward back of fridge where it’s coldest.
How to Tell If Mayonnaise (opened) Has Gone Bad
Sour smell, yellow discoloration, or watery separation
Frequently Asked Questions
Can you freeze Mayonnaise (opened)?
No. Emulsion breaks permanently, separating into greasy watery liquid.
How long does Mayonnaise (opened) last in the fridge?
Mayonnaise (opened) lasts 2–3 months in the refrigerator when stored properly at or below 40°F (4°C).
How do you know if Mayonnaise (opened) has gone bad?
Sour smell, yellow discoloration, or watery separation
Recommended Storage Product
For best results storing Mayonnaise (opened), we recommend: Airtight containers
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ⓘ Data source: Storage times are sourced from the USDA FoodKeeper database. For official guidance visit FoodSafety.gov.
ⓘ AI disclosure: Content on this site was generated with AI assistance and reviewed for accuracy. Always use your best judgment with food safety.
ⓘ Not a substitute: This site is for informational purposes only. When in doubt, throw it out.