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Details of the .lsp file extension

The table below provides useful information about the .lsp file extension. It answers questions such as:

  • What is the .lsp file?
  • What program do I need to open a .lsp file?
  • How can the .lsp file be opened, edited or printed?
  • Where can I find the specifications for .lsp?
  • Which MIME-type is associated with the .lsp extension?
  • How can I convert .lsp files to another format?
  • What are other, similar filename extensions to .lsp?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.lsp file extension details

Lisp Source Code

Lisp Source Code .lsp file icon
LSP file is a Lisp Source Code. Lisp is a family of computer programming languages with a long history and a distinctive, fully parenthesized syntax.
Category: Development files
Application: GNU Common Lisp
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
LSP aliases:
cl, fasl, lisp
LSP related links:
LSP related extensions:
AutoLISP Visual LISP Executable

Interleaf Compiled Lisp

GCL Cross Referencing Data

Emacs Lisp Code

Emacs Lisp Compiled Bytecode

Java in Lisp Source Code

Other types of files may also use the .lsp file extension.

.lsp file extension error

The .lsp file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lp, sp, lwp, lps, psp, msp, lcp, lqp, lxp, ls, slp, osp, lzp, isp, lso

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Lightscape Preparation File
Lotus Word Pro Document
SignPlot Document
STK Sensor Pointing File
Simplexety Parameter File
Lazarus Project Session
Bryce 7 Leaf Shape
Microsoft Windows Installer Patch
SpectraLayers Pro Project
FARSITE Landscape Data
open .lsp file

Can't open a .lsp file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .lsp file association, check the FAQ.

.lsp file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .lsp file extension, write to us!

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