# Authorea Help

If you need to define a lot of new LaTeX environments and commands in your Authorea documents, a good idea is to place them in the header.tex file. However, if you need to export your paper in a very customized format, you may need to use custom LaTeX and bibliography style files (.sty and .bst).

Use your own custom style files in Authorea with these simple steps:

1. 1.

Go to folder view

2. 2.

Edit the header.tex file by adding as many instances of \usepackage{yourstyle} as you need