Chocolate candy bars can be safely frozen in the freezer for 10 to 12 months. For maximum freezer shelf life, the chocolate should be unopened or wrapped properly.
Chocolate candy bars freeze best when placed in airtight containers or freezer bags. If the chocolate bar is kept in the freezer past the recommended time, it may lose its color, texture and its taste might slightly alter. However, it is still safe to consume.
Chocolate can be stored in the refrigerator for 10 to 12 months. Freezing chocolate or refrigerating it is recommended in warm or humid climates.
Chocolate can also be stored in the pantry in a dry and cool location.