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File Extensions

Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.

10
Indexed file extensions

Find the right information for any file extension

Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.

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10 extensions
Letter: L Clear all
.LAZ

LASzip Compressed LiDAR Data

The LAZ file format is a highly efficient, lossless compressed version of the industry-standard LAS format used for storing LiDAR (Lig…

Data
.LDF

SQL Server Log File

An LDF file is a log file used by Microsoft SQL Server. It contains a record of all transactions and database changes made to a corres…

Data
.LIB

Static Library

A .lib file is a static library used primarily in Windows development environments, such as Microsoft Visual C++. It acts as a contain…

Programming
.LIB (STATIC LIBRARY)

Static Library

A `.lib` file is a static library file format, primarily used on Windows systems. It contains pre-compiled code, routines, functions…

Programming
.LIQUID

Liquid Template

Liquid is a template engine created by Shopify and written in Ruby. It is used to build dynamic web pages and emails by separating the…

Programming
.LISP

Lisp Source Code File

The .lisp file extension is used for source code files written in the Lisp programming language, which is one of the oldest high-level…

Programming
.LRC

LyRiCs File

An LRC file is a text-based file format specifically designed to synchronize song lyrics with an audio file, such as an MP3 or WAV. It…

Data
.LSP

Lisp Source Code File

An LSP file is a source code file written in the Lisp programming language, which is one of the oldest and most influential high-level…

Programming
.LST

List File

A file with the LST extension is typically a plain text file that contains a list of information. Because it is saved in a standard te…

Data
.LUA

Lua Script File

A .lua file is a source code file written in Lua, a lightweight, high-level, multi-paradigm programming language designed primarily fo…

Programming
.LAZ

LASzip Compressed LiDAR Data

The LAZ file format is a highly efficient, lossless compressed version of the industry-standard LAS format used for storing LiDAR (Light Detection and Ranging)…

Data
.LDF

SQL Server Log File

An LDF file is a log file used by Microsoft SQL Server. It contains a record of all transactions and database changes made to a corresponding SQL Server databa…

Data
.LIB

Static Library

A .lib file is a static library used primarily in Windows development environments, such as Microsoft Visual C++. It acts as a container for a collection of co…

Programming
.LIB (STATIC LIBRARY)

Static Library

A `.lib` file is a static library file format, primarily used on Windows systems. It contains pre-compiled code, routines, functions, and data that can be link…

Programming
.LIQUID

Liquid Template

Liquid is a template engine created by Shopify and written in Ruby. It is used to build dynamic web pages and emails by separating the presentation logic from…

Programming
.LISP

Lisp Source Code File

The .lisp file extension is used for source code files written in the Lisp programming language, which is one of the oldest high-level programming languages st…

Programming
.LRC

LyRiCs File

An LRC file is a text-based file format specifically designed to synchronize song lyrics with an audio file, such as an MP3 or WAV. It contains the text of the…

Data
.LSP

Lisp Source Code File

An LSP file is a source code file written in the Lisp programming language, which is one of the oldest and most influential high-level programming languages in…

Programming
.LST

List File

A file with the LST extension is typically a plain text file that contains a list of information. Because it is saved in a standard text format, it can be open…

Data
.LUA

Lua Script File

A .lua file is a source code file written in Lua, a lightweight, high-level, multi-paradigm programming language designed primarily for embedded use in applica…

Programming

Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.