[header] How to store coffee beans or ground coffee [title] Store your coffee in an airtight container. [step] One of the biggest enemies of fresh-tasting coffee is oxygen. Exposure to the air causes coffee beans, and especially ground coffee, to go stale very quickly. 
Invest in an hermetically-sealed container made for storing coffee, or at least use a container with a heavy airtight lid. [substeps] Airtight containers are also ideal for preventing coffee from absorbing neighboring odors and discouraging insect and mold growth.