Two or three days, not counting the day you bought it.
If kept in the refrigerator, about 5 days. If you put it in an air tight container it may last longer. But only about a day or two longer.
If kept in a refrigerator in a closed container, I'd say about 2 weeks until the lettuce or mayo goes bad.
As always, 3 days for items with mayo
Crab salad should keep safely in the refrigerator for three to four days.
For at lest 2 weeks
Seafood is finicky, i'd say 3 hours.
You Shouldn't leave it out for to long but about 6 hours if in package if not about 3 hours
I would keep it only for one day, maybe two.
3 to 5 days.
About 5 days.
Chicken salad can last in the refrigerator for three to five days after it is prepared. It is not recommended this food be frozen.
You can keep macaroni salad for three to four days.
If tightly covered, 3-4 days.
it will be 2weeks
Potato salad might keep up to 5 days if stored properly in the refrigerator.