To store tomato soup, let it cool before transferring it to an airtight container. Place the container in the refrigerator and use it within 3-4 days. u003cbr/u003eu003cbr/u003eFor longer-term storage, tomato soup can be kept in the freezer for around 3 months. u003cbr/u003eu003cbr/u003eAllow the soup to cool completely, then put it in a freezer bag or freezer container. Make sure to leave some room at the top for the soup to expand as it freezes. u003cbr/u003eu003cbr/u003eWhen ready to use, thaw the soup in the refrigerator overnight before reheating.