The EndNote toolbar (or CWYW - Cite While You Write tool) may not install correctly or it may have disappeared from Word.
This issue can be caused by different things.
Avoid using track changes if possible. It can interfere with EndNote references updating correctly.
Check if it is your document or an issue with Word itself.
A corrupt document can be caused by:
Best practice is to use the Remove Citations option in Edit and Manage Citations.
Repair damaged field codes in a Word document has steps to help fix this issue.
Cloud storage can cause your library to become damaged.
EndNote libraries should not be:
Regularly backup your library in case of issues.
Fixing a corrupt library has instructions on repairing a damaged library.
This issue can happen when:
Click on image for a larger version.
This can happen if:
Only use one library with one Word document.
To sync to a different library, you need to reset or break the sync.
With numbered styles e.g. Vancouver, if you convert your document to plain text, a space can be added between the end of the sentence and the in-text number when converting your document to plain text.
Before converting to plain text, it appears as:
Video provides a powerful way to help you prove your point.1
After converting to plain text, it appears as:
Video provides a powerful way to help you prove your point. 1
Space between superscript citation and a word has instructions on how to fix this.