Opening an NLS File

The NLS file type is primarily associated with Windows.

NLS	File extension: NLS
	File type:	national language support

What is an NLS file?

NLS files mostly belong to Windows by Microsoft. An NLS file is a script containing source code written in NetLogo programming language. NetLogo is based on Lisp programming language. An NLS file written in NetLogo is used to run model simulations. Another type of NLS file contains national language support functions that Windows uses to convert between various character sets. Among other things, functions stored in such an NLS file define the locale of a user, retrieves data strings like datetime information for a given locale, and indentifies a user's preferred language. NLS is also the filename extension of a data file (9_exception.nls) used by Troj/Agent-GIS trojan.

How to open NLS files

You need a suitable software like Windows to open an NLS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your NLS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NLS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online NLS Text Viewer

Choose your .nls file to analyze

or drag and drop it here

Online File Viewer

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NLS file format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the NLS files produces the following result:

The NLS file ending includes different formats for the applicable programs. The two most popular formats are as follows:

• 35% of all NLS files start with the magic bytes 0D 00, which are always the first bytes of this file format. These files are text files, so they contain words and text. NLS files can be up to 190 KB in size, but are often around 66 KB - 160 KB. The file type is very old but is also used today. Several words can almost always be found in the files, e.g. !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTU. c_037.nls or C_437.NLS is a typical file name.
• 15% of all NLS files are based on the popular EXE file format. EXE is the abbreviation for executable and is the standard executable file format on Windows. The format can be identified by the letters "MZ" at the beginning. Executable files can also be used to distribute viruses and other types of malicious software (malware). They consist of unreadable binary data. The files are often between 17 KB and 420 KB in size. The files contain the following words: !This program cannot be run in DOS mode and Rich. These files are attributed to manager and rapid.

All other NLS files (50%) have no uniform format, the following 5 formats exist: java. Sometimes used for sort, save or compat. If you want to find out which format your NLS file belongs to, just click on the button "Choose your .nls file to analyze".