Condiments, Sauces & Canned Goods
Mayonnaisecommercial
2 months in the fridge after opening and 3–6 months in the pantry from the date of purchase.
Pantry
- from purchase
- 3–6 months
Fridge
- after opening
- 2 months
Freezer
No USDA guidance
Storage tips
Refrigeration ensures that commercial sauces and condiments stay fresh for a longer period of time. Shelf-stable commercial mayonnaise is safe when stored at room temperature after opening. Quality, not safety, is the reason the labels on these products suggest that they be refrigerated after opening.
Source: USDA FSIS FoodKeeperHow to read these times