Microsoft Office Home & Business 2013 Product Key Card 1 PC. FREE SHIPPING BEST SELLER US SELLER OEM ORIGINAL . (55) C $65.92. or Best Offer. 32 sold. Shop on eBay. Opens in a new window or tab Microsoft Office 2019 Professional Plus for Windows Authentic DVD + Key sealed 188 product ratings - Microsoft Get the best deals for office 2019 product key at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Apr 13, 2018. Microsoft Office Professional 2016 costs $399 from Microsoft. Anyone selling that product for significantly less is not selling a valid product. I would also note that the ads you linked appear to be confusing Office Professional and Office Professional Plus which is part of the Office 365 subscription model. -Wolf sends. Microsoft Office Professional Plus 2019 1user PC key card. The office pro plus 2019 includes Word, Excel, PowerPoint, and Outlook, plus Publisher and Access. No monthly or annual subscription required. 3isO.