Never use a working EndNote library on any cloud service such as Dropbox or Google Docs. This will lead to library corruption because of the way cloud services synchronise files over the internet.
You can save your whole library, or part of it, as a compressed file so that you can:
To save a compressed library file in your USB:
To restore your compressed library file:
You can now continue to add references in your .enl library whether you are on the same computer or working on a computer in a different location.
Backing up your library
Another option for backing up your library and working between different computers is to use EndNote Online. Your EndNote Online library will mirror your desktop version EndNote library when synchronized. For more details see the EndNote Online LibGuide.
You have your main library on your home computer.
You are now at University and you have added some references into another EndNote library. Save this
new library as a compressed file to your USB.
Back on your home computer you can merge this library on the USB into your main home library. Open the
.enlx file on your USB (this will split into a .enl library and a .Data folder