I can't get EndNote X7 to work with Word 2016 on my Mac
There is currently a known issue in compability between EndNote X7 and Word 2016. Thomson Reuters is actively developing a patch which should be freely available in the second half of 2016.
See the Thomson Reuters EndNote Knowledge Base for more information and to view recommendations: http://endnote.com/kb/136020.
If you are only having issues with updating the Mac with EndNote, please update to EndNote X7.5 from this link: http://endnote.com/kb/129024
For additional troubleshooting information please see here: http://endnote.com/kb/138936