I was given a gift subscription but I haven’t used it yet. Does it expire? Gift subscriptions do not expire. Related articles I purchased a gift but changed my mind. Can I get a refund? I already have an active gift subscription. Can I stack another code on my existing subscription? I'm trying to redeem a gift code but getting an error message. Can I purchase a HISTORY Vault gift subscription for myself? I already have a subscription to HISTORY Vault. How do I redeem my gift subscription?