.AUX files are Tex/Latex Auxiliary target files. A text editable file that describes information about a corresponding .raw file. Auxiliary target files are generated by some applications or can be hand crafted.


LaTeX is a document preparation system for the TeX typesetting program. It offers programmable desktop publishing features and extensive facilities for automating most aspects of typesetting and desktop publishing, including numbering and cross-referencing, tables and figures, page layout, bibliographies, and much more.