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depends on the type of liquor and whether you are asking about "optimal flavor" vs "safety in consuming".

High alcohol content beverages (hard liquors) do not have an expiration date and can be kept indefinitely if stored in a cool place out of direct sunlight. My favorite cognac has been cask aged for 75 years before it's ever bottled and sent to the store. A bottle could be opened and consumed over the rest of your lifetime with no ill effects.

There are some hard liquors that have food additives (chocolate, fruit, etc...) that may lose some of their flavor or oxidize and pick up undesirable flavors, but again, they should be safe to consume decades after you open them. Many of these will list a "best consumed by" date for freshness and optimal flavor.

Other Alcoholic Beverages like wine or beer do not last long once opened and exposed to the air. Once uncorked, a wine will last a couple of days if you put the cork back in, or a couple of weeks if you have a good vacuum pump and rubber stopper system.

If you open a beer, and let it sit long enough to go flat, you should be killed... and then beaten severely.... and then killed again.

Hope that helped.

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15y ago

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