Feta
The answer
Opened feta lasts about 1–2 weeks (in brine) in the fridge. It does not freeze well.
Caution Discard moldy soft cheese entirely — do not cut around mold.
How long it keeps
Fridge (40°F) 1–2 weeks (in brine) (opened) safe window
Freezer (0°F) Does not freeze well best quality
Room temp 2 hours max then discard
Discard Discard if held above 40°F for more than 2 hours, or above 90°F for more than 1 hour.
By state & packaging
State Fridge Freezer
Opened 1–2 weeks (in brine) Does not freeze well
Unopened Printed date + a few days Does not freeze well
Signs it has gone bad
✕ Mold anywhere
✕ Sour or ammonia smell
✕ Slimy surface
FAQ
How long is opened feta good?
About 1–2 weeks (in brine) refrigerated per FoodKeeper guidance. Discard at the first sign of mold.