Connecting X7 and Word for mac 2016

Hi there. Need help.

I cannot see the Endnote tab on the word mac 2016.

How can I fix it?

Thanks 

Barbara

Using OS X El Capitan 10.11.6

and

Word for mac 15.27 (161010)

Have you tried the instructions in the Knowledgebase?  http://endnote.com/kb/138936