Each time you export references from a search tool, the newly imported references will appear in the "Recently Added" folder within your EndNote Desktop library.
Exporting from QU Library Catalog
Ensure your EndNote Library is open
Go to the library's website, and log in to your library account
After logging in to your account, click on "Library Catalog", type they keywords of your topic and click on "Search"
Choose the reference you want to export to your EndNote library
Click on "Save Record"
Then click on "View Saved"
Click on "Export Saved"
Select Format of List > EndNote, and Send List To > Local Desk
Click on "Submit". You will see a file is being downloaded; save it to your computer.
Go to your EndNote Library and select File > Import > File
Upload the file you saved to your computer, select "EndNote Import" then click on "Import"