There are compatibility issues with Office 2016 & EndNote cite while you write. Further information is provided in the link listed above.
EndNote (Online), also known as EndNote Basic, provides web-based access to references which can be collected, organized, and used to cite, create a bibliography, and instantly format in a style when writing a paper.
Note: Thomson Reuters (the provider of EndNote) will be moving towards referring to the online version of EndNote as "EndNote Basic". Previously, the term "EndNote Web" was used to refer to the online version of EndNote.
University of Arizona affiliates have free access to a limited version of EndNote (Online) through the University's Web of Science subscription. Access to this version is available by:
Step 1) Go to the library's website (http://ahsl.arizona.edu) and then to "Top Resources" in the top menu, and selecting Web of Science from the drop down.
Step 2) Once in the Web of Science database, sign up for an account and then access to the EndNote (Online) will be available at the top menue (look for the EndNote link).
For a comparison of the Limited vs. Full version of Endnote (Online), please see the "Desktop vs. Online Comparison" chart.
EndNote is also available via a web-based version in a more full functioning version for users who purchase the desktop version of EndNote.
Once the desktop version of EndNote is installed the full version of EndNote (Online) can be accessed for up to two years.
Users of desktop EndNote can synchronize citations between their desktop and online collections.