If the certificate still won't apply, you can use these official channels for a manual fix:
: Once a certificate is generated, it usually expires within 60 days . Expired certificates generally cannot be replaced, though customer service may occasionally reissue standard (non-promotional) ones if they expired very recently.
: If you have enough points but no certificate, check if your account is set to Point Banking . In this mode, points sit in your "bank" until you manually issue a certificate. Contacting Support best buy reward certificate not working
“You can call 1-888-BEST-BUY and they can turn the certificates back into points for you. Certificates expire, points do not.” Reddit · r/Bestbuy · 5 years ago
“Log-on to your account, look for "Rewards Overview" look for it and copy the code and use it at checkout.” Reddit · r/Bestbuy · 9 months ago If the certificate still won't apply, you can
“If you click the chat button it will connect you to a sales agent that can ring up your items and apply your certificate for you then send you a link to finish the purchase.” Reddit · r/Bestbuy · 5 years ago
: Ensure you are logged into the exact account that earned the rewards. Many users accidentally create multiple profiles; rewards earned on a Best Buy Credit Card may be linked to a different email than your primary online account. In this mode, points sit in your "bank"
: Certificates cannot be used to purchase gift cards , prepaid cards, or to pay off a Best Buy Credit Card balance.