Endnote is not highlighted and I am unable to insert citations

Please see the following information if you have updated to Word 2016 version 16.8 or higher.

https://support.clarivate.com/Endnote/s/article/EndNote-Word-2016-Mac-version-16-Compatibility?language=en_US

If you have the version 15 then please try the steps for EndNote X7

https://support.clarivate.com/Endnote/s/article/EndNote-X7-Mac-CWYW-tools-in-Microsoft-Word-2016-Troubleshooting-guide?language=en_US

If you have EndNote X8 then

https://support.clarivate.com/Endnote/s/article/EndNote-X8-Mac-and-EndNote-online-Mac-CWYW-tools-in-Microsoft-Word-2016-Troubleshooting-guide?language=en_US

If the tab in Word says just EndNote then try:

https://support.clarivate.com/Endnote/s/article/EndNote-Seeing-EndNote-online-Web-tools-instead-of-EndNote?language=en_US

If none of the above helps then:

Please contact Technical Support directly

1-800-336-4474 option 4 then 1 or

https://support.clarivate.com/Endnote/s/technicalsupport?language=en_US