Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.PRT
File Type
Siemens NX Part File
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .prt file format
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided engineering (CAE) software suite. This file format is used to store three-dimensional design data, including wireframe geometry, solid models…
File extension
.PRT
File type
Siemens NX Part File
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .prt file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .prt.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .prt file?
File extension details and usage information
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided engineering (CAE) software suite. This file format is used to store three-dimensional design data, including wireframe geometry, solid models, surface data, assembly structures, and drafting drawings. It contains precise mathematical representations of physical objects, which are crucial for engineering, product design, and manufacturing processes. PRT files can store individual parts or complex assemblies consisting of multiple parts. They also contain metadata such as material properties, manufacturing instructions, and revision history. Because Siemens NX is widely used in the automotive, aerospace, and defense industries, the PRT format is a standard in industrial design. While primarily associated with Siemens NX (formerly Unigraphics), the .prt extension is also used by PTC Creo (formerly Pro/ENGINEER), though the internal file structures differ.
Software Compatibility
Programs that may open or work with .prt files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .prt files be converted?
Options for saving or exporting this file to another format
In many cases, a .prt file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .prt file.
Why can't I open a .prt file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .prt format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .prt files
To open a .prt file, use software that supports this file format.
- Siemens NX
- PTC Creo Parametric
- SolidWorks
- Autodesk Inventor
- Siemens Solid Edge
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .prt file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.