Microsoft slashes value of Office 2016 upgrade offer

Microsoft has reprised a free or discounted deal for customers who have recently bought an older edition of Office for either Windows or OS X.
But the offer, which Microsoft announced yesterday, is less expansive than past upgrade deals, with a market value that ranges from 10% to 29% of earlier promotions.
Customers who purchase a copy of Office 2013 (Windows) or Office 2011 (OS X) between Aug. 22 and Dec. 31 2015 will be eligible for a free one-year subscription to Office 365 Personal or a $4