Canned Tuna
The answer
Opened canned tuna lasts 3–4 days in the fridge. Move it out of the can into a sealed container.
Caution Do not store leftover tuna in the opened can — transfer it to a covered container.
How long it keeps
Fridge (40°F) 3–4 days safe window
Freezer (0°F) 3 months (in airtight container) 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.
The answer
Unopened canned tuna keeps 3–5 years in the pantry. Do not use cans that are bulging, rusted, or dented at the seams.
How long it keeps
Fridge (40°F) Not needed safe window
Freezer (0°F) Do not freeze in can best quality
Pantry 3–5 years OK stored right
Discard Discard bulging, leaking, or badly dented cans without tasting.
By state & packaging
State Fridge Freezer
Opened, refrigerated in sealed container 3–4 days 3 months
Unopened can — —
Tuna salad 3–4 days Does not freeze well
Signs it has gone bad
✕ Sour or off smell on opening
✕ Bulging or leaking can
✕ Discolored or mushy flesh
FAQ
How long is tuna salad good in the fridge?
3–4 days, the same as other mayonnaise-based salads. It does not freeze well.