Most downloaded LISP files come with the extension .lsp or .fas (compiled). Here is the standard method to load them:
A massive repository of user-submitted routines. Every download includes a rating and a description of what the code does. Niche solutions to specific drafting problems. 3. Autodesk App Store autocad lisp download
Here are some popular websites and resources where you can download AutoCAD Lisp files: Most downloaded LISP files come with the extension