Contact Endnote
How can we help you?
Contact support
Technical support
Get help with using EndNote
Monday – Friday, 9 a.m. – 8 p.m. Eastern (GMT -5)
+1-800-336-4474, press 4
Submit a technical support request
International support contacts
Customer service
Orders, billing, shipping and lost serial numbers
Monday – Friday, 8 a.m. – 6 p.m. Eastern (GMT -5)
+1-800-336-4474, press 3
Contact sales
Learn about purchase options, licensing, and volume discounts
(215) 823-6600
+1-800-722-1227
1500 Spring Garden Street, Fourth Floor
Philadelphia, PA 19130
We can help with using purchase orders, paying by check, volume license options and becoming a reseller.
Software registration
Registration guarantees we will have your serial number on file, so we can help if you lose it.