Storage and security
An EndNote library is a database and for it to work properly, the program must save files in a specific order. An EndNote library is therefore sensitive to any type of automatic backup that can interfere with the application's own synchronisation process. Please do not save your EndNote library on cloud storage such as iCloud, Dropbox, OneDrive, Suite Sync, Google Drive, Box, etc.
Save your EndNote library to a location that is on your local hard drive on your computer and that cannot be synchronised by a third party. If your computer is synchronised automatically, you must actively go in and ensure the library is saved on your local computer.