In this guide:
If the EndNote Tool Menu is Missing: Updating/reinstalling Word deletes the EndNoteāmenu related files. A possible solution involves opening Word and following these steps [Note: Pictured example uses Word 2007 -- see below for Word 2010 and 2013]:
After opening Word Options:
To restore EndNote tools in Word 2010-2013:
Problem: The EndNote tools are missing from the Word toolbar.
Fix: Install the Cite While You Write (CWYW) plug-in. In EndNote, click on "EndNote" in the upper left-hand corner > Customizer. Check the box next to Cite While You Write to install the plug-in. A restart of EndNote and Word may be necessary. You can also download the plug-in from EndNote Web.
Problem: The EndNote floating toolbar has disappeared in my Mac version of EndNote.
Fix: In Word, go to the Toolbars tab. Select EndNote and then View to enable the floating toolbar.