Opening a UNT File

The UNT file type is primarily associated with AutoCAD.

UNTFile Extension UNT
File extension: UNT
File type:  Unit Definition

What is a UNT file?

UNT files mostly belong to AutoCAD by Autodesk, Inc. Use our "Online UNT Text Viewer" below to analyze your UNT file and to see all text it contains.

How to open a UNT file

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

Online UNT Text Viewer

Choose your .unt file to analyze

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.UNT File Not Opening? How to Fix It:

Since .UNT files come from different programs, they aren't universally openable.

  1. Identify the Source: A file from a CAD designer is likely an AutoCAD Unit Definition. If from a gamer, it may be Unreal Tournament data.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • Readable text suggests a plain configuration file.
    • "PK" indicates a zipped archive.
    • Unreadable binary data implies a proprietary format.
  3. Use the Original Software: The original program is usually required; try Autodesk AutoCAD or a basic text editor, or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for UNT File Extension

Program ID:
AutoCADLTUnitDefinition, AutoCADUnitDefinition
Related files:

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: AutoCADLTUnitDefinition
EXEFile: %SystemRoot%\NOTEPAD.EXE %1

ProgramID: AutoCADUnitDefinition
EXEFile: %SystemRoot%\NOTEPAD.EXE %1


a unt Unit Definition is a special file format by Autodesk, Inc. and should only be edited and saved with the appropriate software.

How to solve problems with UNT files

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