LSP File
What are LSP files and how to open them
Are you having problems opening a LSP file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a LSP file?
A .LSP file is an AutoCAD Protected LISP Code file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open LSP files
Important: Different programs may use files with the LSP file extension for different purposes, so unless you are sure which format your LSP file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested ten different LSP openers which you will find listed below.
Last updated: February 24, 2023
Various apps that use files with this extension
These apps are known to open certain types of LSP files. Remember, different programs may use LSP files for different purposes, so you may need to try out a few of them to be able to open your specific file.
![]() | Microsoft Office | User submitted |
![]() | Direct Show Ogg Vorbis Filter | User submitted |
![]() | Living Scenes Jigsaw Puzzles | User submitted |
![]() | Intel Dynamic Power Performance Management | User submitted |
![]() | CMS IntelliCAD | User submitted |
![]() | Longtion SlideShow Pro | User submitted |
![]() | The Player III | User submitted |
![]() | ViewFD | User submitted |
![]() | HashTab | User submitted |
![]() | SIMATIC ProTool | User submitted |
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about LSP file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.