Compare current versions

	EndNote 21	EndNote Web	EndNote Basic (Free Version)
Version details	Available for Windows and Mac users	Most modern web browsers	Most web browsers
How to get it	Available for personal use; pricing discounts for multi copy purchases; Site wide licenses available for entire institutions / organizations. Learn more at endnote.com.	Initial activation from within EndNote 21 desktop, then log in at web.endnote.com.	Free to anyone, sign up at myendnoteweb.com.
Integrated with MS Word	Yes, via Cite While You Write plugin.	Yes, via Cite While You Write plugin.	Yes, via Cite While You Write plugin.
Sharing references	Share a library as read and write or read-only with up to 1,000 other users / have unlimited number of as read and write or read-only libraries shared to you.	Sharing features on the way!	Share a group with other EndNote online users.
# of bibliographic citation styles	7,000+ predefined; plus create your own.	7,000+ predefined.	Top 21 most commonly used styles
Installation required	check	Optional browser Add-ons.	Optional browser Add-ons.
Operating system	MacOS X & Microsoft Windows.	MacOS X, Microsoft Windows, and Linux. Basic compatibility with modern mobile OSes with enhancements to come.	MacOS X, Microsoft Windows, and Linux.	Win, Mac OS X & Linux
One-click find full text	check
Format bibliographies	check	check	check
Online database searching	check
Number of file formats accepted from other online database providers (for reference import)/filters	Over 650	RIS, but more to come	3
Custom options to add additional database providers	check
File attachment storage	Unlimited	Unlimited	2GB
Reference storage	Up to 1 million	Up to 1 million	50,000
Max # of fields per reference	56	53	53
Max # of reference types	55	55	48
Create group sets (headings user can arrange groups under)	check	check
Create smart groups (based on a search of EndNote library that automatically updates)	check
Create combined groups (based on a search of the contents of other groups)	check
Change case (change capitalization of selected text)	check
Find and replace	check
Change, move, or copy fields	check
Search by field	check	check	check
Access from any internet browser	N/A	check	check
Email reference and attached PDF	check
Spell check	Yes (individual records only)
Sort library	Yes (by up to 5 fields, and select language options)	Yes (basic English sort on main library fields)	Yes (basic English sort on main library fields)
Customize duplicate recognition	check
Composite styles (e.g., ACS with 1a-f)	check
Bibliographies at end of sections as well as at end of document in Microsoft Word	check
Hyperlinks between citations and bibliography entries	check
Organize using tags	check	Coming soon!
Auto-fill reference based on DOI		check

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