How Long Does Mayo Last in the Fridge?

Homemade egg mayo/egg salad: Treat it as a perishable prepared food and generally use within 3–4 days when properly refrigerated.

That difference is important when planning meals and storing leftovers.
Quick Egg Mayo Safety Guide
Situation What to Do
Homemade egg mayo in refrigerator Use within 3–4 days
Refrigerator temperature Keep at 40°F (4°C) or below
Left at room temperature Discard after about 2 hours
Temperature above 90°F (32°C) Discard after about 1 hour
Visible mold Throw it away
Strong unpleasant odor Throw it away
Unsure how long it has been out Don’t risk eating it
Frequently Asked Questions
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