
Since a lot of people are working from thier homes, remotely via VPN and Wifi etc. Using the older version you may do the preparation / cleanup steps if the immediate conversion somehow fails. from 'C:\Program Files (x86)\EndNote X9\EndNote.exe' or 'C:\Program Files (x86)\EndNote X8\EndNote.exe' or 'C:\Program Files (x86)\EndNote X7\EndNote.exe'. If you haven't uninstalled EndNote version X9.2 or X8.x or X7.x, you always launch your older version from the application (apps) folder EndNote X9 or X8 or X7 (Mac) or for Windows from e.g. The following steps can be repeated for several libraries if you have multiple libraries.

Here are some recommended pre-conversion steps: Data folder (e.g., MyLibrary.enl and MyLibrary.Data) will not be touched (available for EndNote X9.2 or earlier versions or as a backup), it is wise to prepare for the conversion to avoid any conversion hiccups BEFORE UPDATING OR UPGRADING YOUR ENDNOTE TO VERSION X9.3.X. Starting with EndNote X9.3.x if you open a library EndNote will ask you to convert your library to the new X9.3.x format.


You can read more at Apple’s knowledge base article here. Apple has made the decision to drop all 32-bit application support with this release, which impacted EndNote X9 for Mac and in the end also EndNote X9 for Windows. As you may be aware, Apple has released macOS 10.15 Catalina.
