A daily updated filename extension database!

LESS file extension

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

  • What is the .less file?
  • What program do I need to open a .less file?
  • How can the .less file be opened, edited or printed?
  • How can I convert .less files to another format?

Table of Contents

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

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

✅ LESS Style Sheet

LESS file is a LESS Style Sheet. LESS is a dynamic stylesheet language designed by Alexis Sellier. It is influenced by Sass and has influenced the newer "SCSS" syntax of Sass, which adapted its CSS-like block formatting syntax.
Application: LESS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
LESS aliases:
LESS related links:
LESS related extensions:

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

🚫 The .less file extension is often given incorrectly!

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

ess, mess, les, lss

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GCC Assembler Listing File
EasySpreadsheet Document
Salome-Meca Exported Message Data
Mklesson Lesson File
TurboWin LES Data
LayoutEditor Schematic Data
LotusScript Source Code
LSS16 Format Image

🔴 Can't open a .less 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 .less file association, check the FAQ.

🔴 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 .less file extension, write to us!

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