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Rating Newest Oldest. Best Answer: Xbox Live time stacks up to 36 months worth. The only times they don't stack is in the cases of trial amounts, like 48-hour cards, or the free month offered to the first 3 new Xbox Live accounts made on a system. Source(s): Personal experience.
I purchased a 12 month Xbox Live Gold membership for the first time on Amazon a couple years ago and I love the convenience. I typically use the Online Game Code option which provides you with a code you enter on your Xbox or within your Xbox Live account.