19 votes
L File - What is an .l file and how do I open it?
Learn about .L files and view a list of programs that open them.
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What is an L file? An L file is an audio file that contains the left channel of a stereo recording. Audio production software may save stereo tracks as two separate mono files, using L for the left channel and .R for the right channel. These files typically store audio data in a standard audio container, such as .WAV , .AIFF , or .SD2 , but use the .l extension to identify their channel role.
More Information Music producers and audio engineers may work with L files when exporting or editing split-channel recordings. By exporting audio as a left-channel stereo recording, users can isolate individual channels for tasks such as mixing, noise reduction, or mastering. While the .l extension indicates the file's purpose, the actual audio format and bit depth depend on the application that created it.
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DeveloperMike Lesk
Popularity3.7 | 10 Votes
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.L File Extension
3 file types use the .l file extension.
Left Audio Channel File
| Developer | N/A |
| Popularity |
3.9 | 19 Votes |
What is an L file?
An L file is an audio file that contains the left channel of a stereo recording. Audio production software may save stereo tracks as two separate mono files, using L for the left channel and .R for the right channel. These files typically store audio data in a standard audio container, such as .WAV , .AIFF , or .SD2 , but use the .l extension to identify their channel role.
More Information
Music producers and audio engineers may work with L files when exporting or editing split-channel recordings. By exporting audio as a left-channel stereo recording, users can isolate individual channels for tasks such as mixing, noise reduction, or mastering. While the .l extension indicates the file's purpose, the actual audio format and bit depth depend on the application that created it.
How to open an L file
You can open an L file in most audio editors and digital audio workstations ( DAWs ), including Audacity , Avid Pro Tools , Steinberg Cubase . If the software does not recognize the .l extension, you can rename the file to match its actual format (for example, .wav or .aiff ), which may allow you to open it.
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Programs that open L files
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Platform
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Audacity
Free
VideoLAN VLC media player
Free
Windows
Avid Pro Tools
Free Trial
Steinberg Cubase
Free Trial
Image-Line FL Studio
Free Trial
Adobe Audition 2023
Free Trial
MAGIX Sound Forge Pro 17
Free Trial
Mac
Avid Pro Tools
Free Trial
Apple Logic Pro
Paid
Steinberg Cubase
Free Trial
Image-Line FL Studio
Free Trial
Adobe Audition 2023
Free Trial
Category: Audio Files
Updated: November 20, 2025
Game of Life File
| Developer | N/A |
| Popularity |
3.6 | 26 Votes |
Contains a pattern of dots that is used as the starting point for "The Game of Life," a mathematical game developed by John Conway; often used for teaching purposes in math and computer science.
More Information
The basic rules of "The Game of Life" are 1) an empty space becomes a dot if exactly 3 neighbors are dots, 2) a dot with 2 or 3 neighboring dots stays a dot, and 3) all other cases, the space becomes or remains empty. The result is the development of some interesting patterns.
Programs that open L files
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Life32
Game of Life Java applet
Mac
Game of Life Java applet
Linux
Game of Life Java applet
Category: Data Files
Updated: April 11, 2008
Lex Source File
| Developer | Mike Lesk |
| Popularity |
3.7 | 10 Votes |
Source code file written for Lex, a program used to generate lexical analyzers; contains formal declarations for allowable source code syntax in a file; used for specifying the recognized syntax of source code.
More Information
A lexical analyzer allows developers to convert text into a sequence of "tokens," which is required in the process of compiling source code. Lex generates a C source code from an input L file.
NOTE: Lex is often used in combination with Yacc, a program used to generate source code parsers.
Programs that open or reference L files
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Windows
Microsoft Visual Studio with MKS Lex & Yacc plug-in
Free +
Mac
Apple Xcode
Free
Apple TextEdit
Included with OS
Other text editor
Linux
Lex
—
Discontinued
Free
Vim
Free
GNU Emacs
Free
Other text editor
Category: Developer Files
Updated: February 21, 2011