.BST File Extension
File TypeBibTeX Style Document
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a BST file?
Specifies the formatting of a BibTeX (.BIB) document; referenced by the LaTeX document and used by the BibTeX program "bibtex" when generating items for the bibliography; may also be used to create HTML output from a BibTeX file.
Custom BST files can be created using the latex makebst command.