Wash your canned goods in detergent and water. Do the same for food in jars. If the labels come off, be sure you mark the contents on the can or jar with a grease pencil. Don't use canned goods when cans have bulged or are dented or rusted.
If your home freezer has stopped running, you can still save the frozen food:
If your food has thawed, observe the following procedure
To remove odor from your refrigerator or freezer, wash the inside with a solution of baking soda and water or use one cup of vinegar or household ammonia to one gallon of water.
Some baking soda in an open container or a piece of charcoal can be placed in the refrigerator to absorb odor.
Caution: When cleaning or discarding any refrigerator or freezer be sure the doors are removed or secured against closing on a young child.