Mac: In EndNote X9, under the “EndNote X9” menu, choose “Check for Updates…”.
March 29, 2019-- EndNote X9.1.1 is now available for Mac.
The EndNote X9.1.1 Mac (Build 14483) update contains:
- File-type associations for .enw now added.
- Resolved 'This library is being used by someone else. Try opening it again later' Issue while using Direct Export/Import of .enw files on EndNote X9.1 Mac.