Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.3DXML
File Type
3D XML
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .3dxml file format
3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It is primarily used for lightweight representation and exchange of 3D data, particularly within the Dassault Systèmes ecosystem, which includes software like CATIA, SolidWorks, and D…
File extension
.3DXML
File type
3D XML
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .3dxml file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .3dxml.
- 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- Update the application if the file was created by a newer version of the software.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 .3dxml file?
File extension details and usage information
3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It is primarily used for lightweight representation and exchange of 3D data, particularly within the Dassault Systèmes ecosystem, which includes software like CATIA, SolidWorks, and DELMIA. The format is designed to be easily embedded in documents and web pages, allowing for interactive 3D visualization without requiring large file sizes or specialized CAD software. 3D XML files can contain geometric data, product structure information, metadata, and even textures. They are often used for sharing product designs, creating interactive training materials, and enabling collaborative design reviews. The format supports various compression techniques to minimize file size, making it suitable for online distribution and viewing. While primarily associated with Dassault Systèmes products, some third-party viewers and converters are available to work with 3D XML files outside of the Dassault ecosystem. The format is intended to be a more accessible and lightweight alternative to heavier CAD formats like STEP or IGES, focusing on visualization and collaboration rather than detailed engineering analysis.
Software Compatibility
Programs that may open or work with .3dxml files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .3dxml files be converted?
Options for saving or exporting this file to another format
In many cases, a .3dxml 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 .3dxml file.
Why can't I open a .3dxml file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .3dxml 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 .3dxml files
To open a .3dxml file, use software that supports this file format.
- Dassault Systèmes CATIA
- Dassault Systèmes SolidWorks
- Dassault Systèmes 3DVia Composer
- 3D XML Player
- Autodesk Inventor (with plugin)
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 .3dxml 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.