EndNote automatically saves changes you make, for example when you add references to a group. If you make changes to a reference itself, though, EndNote will ask if you want to save the changes
How do I make a back-up?
In the menu bar under 'File' you have the option 'Save a copy', if you choose this, EndNote saves a backup of your library. The backup can be saved to a chosen location and consists of the EndNote file (.enl) and the Data folder (.data).
Knowlegde clip 'Save a copy'
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