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Language definition file
File type: Game file, Various data file
An lng file extension is traditionally used for localization (additional language data) files in many applications. Mostly text files that contain translated texts used in the program.
Found 4 different file type records with the same lng filename suffix.
File type category:
Game file
Various data file
Date updated: June 23, 2025
The lng file extension is used mostly by multi-language applications and programs for storing separate language data for each language or sometimes all languages in one file.
Used in numerous programs. File formats may vary, but contains user interface strings and program menus etc. for specified language. File name before extension mostly contains language name e.g. czech.lng etc.
Also used in some games for their localization files.
LNG files are mostly in plain text format that can be viewed by basic text editor, or some common database file format.
Generally, there is no way how language files can be converted. However some might be opened using a text editor and data exported out of it.
Software applications that can open lng files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit lng files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving lng files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that manage or store settings in lng files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
File type category:
Game file
Date updated: November 23, 2010
The LNG file extension is used by the computer game Crysis.
Software applications that handle other tasks involving lng files:
Microsoft Windows
File type category:
Source code and script file
Date updated: January 29, 2019
The lng file extension is used for language files in Fortran.
Fortran (previously FORTRAN) is a general-purpose, procedural, imperative programming language that is especially suited to numeric computation and scientific computing.
Use compatible tools to work with *.lng files.
Probably cannot be converted to other formats.
Software applications that handle other tasks involving lng files:
Microsoft Windows
File type category:
Miscellaneous file
Date updated: August 8, 2017
The lng file extension is associated with OpenOffice.org. The lng file format contains string and message definitions for the setup program. The lng files are used in programming of OpenOffice.org.
Use Notepad or any text editor to open and edit files with lng extension.
You can convert lng file format just by simple renaming it into txt file format.