GamesDeal has a Microsoft Office 2016 Professional Plus 1-user license [gamesdeal.com]
when you apply coupon code GDdealnews25
at checkout. That nets you a license key good for Word, Excel, PowerPoint, Access, Outlook, OneNote and Publisher -- but not the Skype credit or OneDrive space you get as part of a subscription. [via CNET [cnet.com]
GamesDeal has a very high rating atResellerRatings.com [resellerratings.com]
, but buyer beware on this one. If the code doesn't work, you could always do a chargeback. This is the lowest price I've ever seen for this product.