If you are dealing with VLX files (compiled AutoLISP projects), "long story" usually implies you've lost the original source code or are trying to recover a legacy tool. VLX files are "compiled" containers that can include multiple FAS (binary LISP) files, DCL (dialogs), and other resources.
Features to Look for in a VLX Decompiler vlx decompiler
Pros:
Legal Risks: Decompiling proprietary software may violate the developer's license agreement or copyright laws. If you are dealing with VLX files (compiled