Opening a ZT File

The ZT file type is primarily associated with Mental Ray.

ZT	File extension: ZT
	File type:	shadow map

What is a ZT file?

ZT files mostly belong to Mental Ray by Nvidia. A file with ZT extension is a shadow map file for 3D models created with Mental Ray, a high-performance 3D render engine developed by Nvidia. ZT files are binary files and Mental Ray uses them to accelerate shadow generation via the Mental Ray shadow-map algorithm.

How to open ZT files

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

Online ZT Text Viewer

Choose your .zt file to analyze

or drag and drop it here

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What to Do When a .ZT File Fails to Open

Because .ZT files can originate from different programs, they aren't universally openable.

Identify the Source: If received from a 3D artist or rendering workflow, it is likely an Nvidia Mental Ray 3D image shadow map.
Check the Header: Open the file in a hex viewer to inspect the first bytes:
- Readable text or XML suggests a configuration file.
- "PK" indicates a standard ZIP archive.
- Specific magic bytes may confirm a proprietary 3D format.
Use the Original Software: You usually need the original program. Try Nvidia Mental Ray, Autodesk Maya, or 3ds Max, or ask the sender if uncertain.
Use this Webpage: Drag and drop your .ZT file onto this page to detect its format, extract readable metadata, and preview the contents.

Technical Data for ZT File Extension

File classification:

3D Image

Related files:

7z, ptx, cg, nvb

Mime type:

audio/x-mod

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: MayaZTFile
EXEFile: D:\Maya5.0\bin\imf_disp.exe %1

ProgramID: MayaZTFile
EXEFile: %ProgramFiles%\Alias\Maya6.0\bin\imf_disp.exe %1

ProgramID: MayaZTFile
EXEFile: %ProgramFiles%\Maya5.0\bin\imf_disp.exe %1

ProgramID: MayaZTFile
EXEFile: %ProgramFiles%\Alias\Maya6.5\bin\imf_disp.exe

ProgramID: MayaZTFile
EXEFile: %ProgramFiles%\Alias\Maya7.0\bin\imf_disp.exe

Show all 5 listings To Top

a zt shadow map is a special file format by Nvidia and should only be edited and saved with the appropriate software.

How to solve problems with ZT files

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