Olives
The answer
Opened olives lasts 2 weeks (opened, in brine) in the fridge.
Caution Keep olives submerged in brine after opening.
How long it keeps
Fridge (40°F) 2 weeks (opened, in brine) safe window
Freezer (0°F) Do not freeze best quality
Room temp 2 hours max then discard
Discard Discard if moldy, fermented-smelling, or fizzing.
The answer
Unopened olives keeps Printed date in the pantry.
How long it keeps
Fridge (40°F) Not needed safe window
Freezer (0°F) Do not freeze best quality
Pantry Printed date OK stored right
Discard Discard bulging, leaking, or badly dented containers.
By state & packaging
State Fridge Freezer
Opened, refrigerated 2 weeks (opened, in brine) Do not freeze
Unopened, pantry — —
Signs it has gone bad
✕ Mold at the cap or surface
✕ Fermented or off smell
✕ Separation with sour odor
FAQ
How long does opened olives last?
About 2 weeks (opened, in brine) refrigerated per FoodKeeper guidance. Follow the package date if it is shorter.