Does Chambord expire?

Liqueurs.

While liqueurs like Grand Marnier, Chambord, and St. ... While liqueurs can typically be enjoyed for up to 12 months after opening, any “off” colors, aromas and/or flavors should be a sign they have surpassed their prime. For optimal drinkability, store liqueurs away from direct sunlight in a cool, dark place.

How do I know if my liqueur is bad?

When it comes to spirits, you'll be able to spot a spoiled one easily (smell, color), although that happens extremely rarely. In case of liquors look for color changes, crystallizing sugar, curdling, etc. If a liqueur is bad, it should smell pretty bad. Last thing you can do is to taste a bit.