Got this on SPG Personal:
Get a one-time $5 statement credit by using your enrolled Card to make a single purchase of $10 or more in-store at FedEx Office or online at fedex.com/office by 1/31/2018. See terms for exclusions.
Valid in-store and online. Offer valid on FedEx Office® print services only. Excludes all shipping services, purchases made at other FedEx brands such as Howard Press, FedEx Supply Chain, FedEx Express, FedEx Ground, FedEx Freight, FedEx Custom Critical, FedEx Trade Networks, FedEx Cross Border, paid for in store shipping of items, Mobile App Purchases made through Card Member Shipping Accounts, FedEx SameDay® City courier services, Every Door Direct Mail marketing and advertising services, Traditional Direct Mail services, invoice-level purchases, Sony Picture Station, FedEx Office® corporate account program, Mailing List purchases, FXO National Bid Center orders, FXO Design Services, GPOExpress program, eBay Valet Service. Must add offer to Card and use same Card to redeem. Limit 1 statement credit(s) per American Express® Card across all American Express offer channels. Statement credit will appear on your billing statement within 90 days after 1/31/2018, provided that American Express receives information from the merchant about your qualifying purchase. Note that American Express may not receive information about your qualifying purchase from merchant until all items from your qualifying purchase have been provided/shipped by merchant. Statement credit may be reversed if qualifying purchase is returned/cancelled. If American Express does not receive information that identifies your transaction as qualifying for the offer, you will not receive the statement credit. For example, your transaction will not qualify if it is not made directly with the merchant. In addition, in most cases, you may not receive the statement credit if your transaction is made with an electronic wallet or through a third party or if the merchant uses a mobile or wireless card reader to process it. By adding an offer to a Card, you agree that American Express may send you communications about the offer. POID: G9T7:0001