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Raspberries (and blackberries and all those similar) have a short shelf life which is why you rarely see them sold in stores. They might last a day or two but go bad fast (even with refrigeration.) Blueberries also go bad quickly but can last a bit longer. Yes, refrigerate them, but don't wait too long to eat.
Remove frozen strawberries from the freezer and place the amount you would like to defrost in a secure plastic bag or lidded plastic container. Place the berries in the refrigerator. Slowly defrosting strawberries in the refrigerator is the preferred method, according to the California Strawberry Commission.