EndNote Technical Support is available 24/7
Note there may be extended wait times Saturday and Sunday due to decreased staffing:
By phone: +1-800-336-4474
Press 4, Press 2 (Research Solutions), Press 1 (Research Solutions), Press 1 for Endnote
Most library databases and Google Scholar support Direct Export of citations from the database to import to EndNote.
General Direct Export Instructions:
Also check the FAQ page for instructions for specific databases