File Extension Database

Open NLS File

NLS files, or National Language Support files, are essential components in the functioning of the Microsoft Windows operating system. These files store information related to various languages and code pages and are used by applications to translate and display text in different languages. There are multiple formats of NLS files, such as Windows NLS files and IBM ICU NLS files, as well as different ways to open and use these files. This article will explore these file formats and offer guidance on how to work with them.

Windows NLS Files

One of the primary uses of the NLS file extension is related to Microsoft's National Language Support. This usage is mainly associated with Microsoft Windows operating systems, and its purpose is to provide support for different languages and character sets. Applications use these NLS files to access and display text in various languages and character sets. Generally, these files are essential for using non-English language settings on a Windows system.

Opening and Editing Windows NLS Files

It is highly inadvisable to edit Windows NLS files directly, as any misstep in editing could lead to severe issues with the functioning of your Windows system. However, if you must work with these files, it is crucial to use the correct tools and methods. The Windows Debugger (WinDbg) is one such tool that enables you to open and analyze NLS files on a Windows system. This tool can help identify errors or issues within the file.


Another use for the NLS file extension is with IBM's ICU (International Components for Unicode) library. The IBM ICU project is a set of portable, high-quality C/C++ and Java libraries providing Unicode and Globalization support for software applications. IBM ICU NLS files contain localization and translation data used by the ICU libraries to support different languages and text processing operations.

Opening and Editing IBM ICU NLS Files

To work with IBM ICU NLS files, you can use various text editors and IDEs (Integrated Development Environments) that support Unicode. Some of these tools include Notepad++, Sublime Text, and IntelliJ IDEA. It's essential to use the appropriate ICU tools and understand the ICU library's internal workings to avoid any issues in the application that relies on the ICU library.

NLS File Important Information

NLS files are crucial for applications and systems that rely on multilingual support. Attempting to modify NLS files without a proper understanding of their format and functions can lead to unintended consequences. It's essential to use appropriate tools and follow accurate documentation when working with NLS files, such as the Windows Debugger for Windows NLS files or the ICU library for IBM ICU NLS files. By taking the necessary precautions, you can ensure that your work with NLS files is successful and accurate.

How Can I Open NLS File on Windows

How Can I Open NLS File on Mac OS

How Can I Open NLS File on Android

If you downloaded a NLS file on Android device you can open it by following steps below:

How to Open NLS File on iPhone or iPad

To open NLS File on iOS device follow steps below:

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NLS file article translations

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