Bibliographic (or referencing) styles are files that are used to control the appearance of references in a bibliography, for example Harvard or APA 6th. The name of the style refers to the journal or publisher that defined the bibliographic format. Styles can be modified and new styles can be created using EndNote's style editor. Additional styles and updates of styles can be downloaded from the EndNote Journal Styles page.
The easiest way to make sure your style file is saved in the right location for your system: