This is a great move by Microsoft and should be well received in the IT Security community and businesses everywhere.  Managing and limited macro use is an important step in the defense against malware, and more specifically several of the more malicious ransomware flavors circulating the Internet.

http://news.softpedia.com/news/microsoft-adds-new-feature-in-office-2016-that-can-block-macro-malware-502058.shtml