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EndNote X7

File extensions

File extensions associated with the EndNote program are explained in the table below.

File name



EndNote library


A database of your EndNote references. The number of references is only limited by your system (storage capacity etc.).

EndNote library data folder


Stores attachments to the references in your EndNotelibrary. It needs to be in the same location as your library file.

Compressed EndNote library file


An EndNote library and its data folder can be compressed from File > Compressed library (.enlx).... When a compressed library file is opened it expands and creates an *.enl file and a *.DATA folder.

EndNote connect file (online search)


This file allows online searching and downloading of references from within EndNote by connecting directly to an online database or catalogue.

EndNote filter


Enables importing references from databases and online catalogues without Online Search tool.

EndNote style


This file enables the correct formatting of citations and bibliographies. A style determines their final appearance (e.g. Harvard, APA).

Text file


A text file contains only text and no formatting. It can be read by most word processors.

Word file


File format used for Microsoft Word documents.

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