All about NT Files

The NT file type is primarily associated with Apache Jena.

NTFile Extension NT
File extension: NT
File type:  data file

What is an NT file?

NT files mostly belong to Apache Jena. The NT file is used primarily for storing RDF N-Triples data. In this format, each line holds an RDF triple with a subject, predicate, and object. This plain text layout allows programs to parse and manage linked data with minimal processing.
Other uses include:
  • Game save files – some NT files are used to save game progress in titles such as Newspaper Tycoon (also called Raven's Scroll saved game).
  • System scripts and configuration – certain NT files serve as Windows batch or startup files, helping with MS-DOS command processing and Windows NT startup routines.
  • Data containers – on rare occasions, these files act as a ZIP container for network topology data within applications like Microsoft PowerPoint.
  • Executable or configuration roles – in very uncommon cases, NT files are associated with Windows executable functions or other system configuration tasks.
  • FilExt.com tip: For detailed specifications on the N-Triples format, visit the W3C N-Triples page.

    How to open an NT file

    You need a suitable software like Apache Jena to open an NT 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 NT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NT file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online NT Text Viewer

    Choose your .nt file to view

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    How to extract texts from NT files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

    You can extract texts from NT file or capture a preview screenshot using our online NT file viewer:
    1. To do this, click the button "Choose your .nt file to view" on this page.
    2. Your NT file will then be displayed in the browser.
    3. Now click on "Save as..." at the top of the page.
    4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
    5. Your file will be converted and downloaded.

    Programs that open and convert NT files:

    1. Apache Jena
      See the previous paragraphs to learn more about the main application. NT files are often referred to as Apache Jena data files because this type of file is primarily created or used by this software.
    2. Windows NT (Command Script) by Microsoft Corporation
      After a Windows XP SP2 upgrade (or being attacked by some malware) you may encounter a message about either CONFIG.NT or AUTOEXEC.NT being "...not suitable for running MS-DOS and Microsoft Windows applications." The DOS 16-bit COMMAND.COM program and/or one of those files has become corrupted. Microsoft has a knowledgebase article on this. What it basically says is that you need to replace the files AUTOEXEC.NT, CONFIG.NT, and COMMAND.COM which are found in your Windows System32 folder with the same-named files found on your original OEM Windows XP CD-ROM. (Copies can also usually be found in the \Windows\Repair subdirectory if you can't find your original CD.) Also, some versions of the Windows XP SP2 update have code that will automatically delete the AUTOEXEC.NT file if found in the System32 folder on the theory that all software should be 32-bit and not 16-bit (as it older programs you might still want to run). If this happens to you try copying the AUTOEXEC.NT file to the System32 folder under the Windows folder and then right click on it, select Properties, and check the Read Only attribute. This should work but if it does not you will have to recopy the file to the proper directory after every restart of the computer. See the FAQ for more information. The Mime types used with this association are: application/x-nt. This file format is classified as Source Code. Program ID is cmdfile Related links: Microsoft Knowledgebase Article, FILExt FAQ on AUTOEXEC.NT

    NT format details:

    To view or edit NT files you need to know the file format, because it determines how the data in this file is stored. The file format can be deduced from the file extension and the signature. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. Knowledge is power - this also applies when dealing with unknown or faulty files. Our evaluation of the NT files looks like this:

    An NT file includes various formats for various programs. The two most common formats are as follows:

    All other NT files (31%) have different formats, often, for example, UTF-8, echo and REM. The category is attraction, tourist or casia. If you want to find out what your NT file contains, drag and drop it onto this page.

    Technical Data for NT File Extension

    File classification:
    Data
    Program ID:
    cmdfile
    Related files:
    rdf, ttl, jsonld, bat, gz, zip, bz2, owl, exe, zst, jpg, vbs, xml
    Mime type:
    application/x-nt

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: cmdfile, FileType: Windows NT Command Script, AppName: %1
    EXEFile: %1

    ProgramID: jntfile
    EXEFile: %ProgramFiles%\Windows Journal Viewer\jntview.exe %1

    ProgramID: QuickTime.pnt
    EXEFile: %ProgramFiles%\QUICKT~1\PictureViewer.exe %1

    ProgramID: Notepad++_file
    EXEFile: %ProgramFiles%\Notepad++\notepad++.exe %1


    an nt data file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with NT files

    • Associate the NT file extension with the correct application.
    • Update your software that should actually open data files. Because only the current version supports the latest NT file format. Search, therefore, e.g. on the manufacturer website after an available Apache Jena update.
    • To make sure that your NT file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .NT file online - secure, fast, and no downloads needed.
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