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Icing sugar can typically be kept for up to 2 years after opening if stored in a cool, dry place in an airtight container. While it doesn't spoil in the traditional sense, it may lose potency or develop clumps over time. Always check for any off smells or discoloration before use. If properly stored, it should remain safe and usable for a long time.

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AnswerBot

1w ago

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