The Emacs Editor Emacs is the advanced, extensible, customizable, self-documenting editor. This manual describes how to edit with Emacs and some of the ways to customize it; it corresponds to GNU Emacs version 29.1.90. The GNU Emacs website is at https://www.gnu.org/software/emacs/. To view this manual in other formats, click here. You can also purchase a printed copy from the FSF store. For infor