MODEL File Extension
CATIA 3D Model FIle
- File Type model
- Developer Dassault Systemes
- Popularity
- Application CATIA
- Category CAD, CAM and CAE Files
What is a MODEL file?
CATIA 3D Model FIle, identified by the MODEL extension, is a CAD, CAM and CAE Files type and includes 148 files.
The CATIA 3D Model FIle (MODEL), created by Dassault, is one of file format they developed, and they also built 6 programs to support them.
MODEL file support extends to various operating systems, including Windows. When working with MODEL files, you can rely on 13 programs, including CATIA, Solid Edge and Anark Core.
File Signature
HEX code: 43 41 54 49 41. ASCII code: CATIA.
Programs that support MODEL files
How to open a MODEL file?
If you can’t open a MODEL file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with MODEL files, CATIA, Solid Edge and Anark Core are the top choices for users. To install the updated version of CATIA, simply go to the Dassault site and download the installer compatible with all major platforms.
Once the process is complete, CATIA should take over as the default application for MODEL files.
Set CATIA as the default MODEL program
Changing Default Programs in Windows
- Right-click on your MODEL file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, select the CATIA application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening MODEL files.
Change Default Program on Mac
- Right click or Control + left click on the desired MODEL file;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for CATIA. Check the box next to "Always open in app" to make it the default program.
Solve problems with MODEL files
Rest assured, any issues with MODEL files can typically be addressed with simple software adjustments. See the tips below for help.
Why does CATIA stop responding or crash intermittently?
CATIA crashes can be caused by outdated software. Keep your Dassault products up to date by installing the latest updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
What are the best practices for repairing a MODEL file that has gone bad?
Use a data recovery program to open the damaged MODEL file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged cad, cam and cae files.
What are the warning signs that my MODEL file may be corrupted?
Common indications of damaged MODEL cad, cam and cae files are:
- Error messages appear during the course of working with the file;
- Editing the archive in CATIA results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the MODEL file;
- Opening the file in CATIA or other programs causes them to hang or crash;
How to edit a MODEL file?
To edit MODEL files, it is essential to install software that supports not only viewing but also editing the cad, cam and cae files. Online MODEL editors provide limited functionality compared to full-featured software for CATIA 3D Model FIle.
List of Top MODEL editors 2026
Based on the criteria above, here is a selection of MODEL editors you can use.
| MODEL Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| CATIA | Dassault | Windows | 4.9 out of 5 (46 reviews) |
| Solid Edge | Siemens PLM | Windows | 4.6 out of 5 (37 reviews) |
Convert to and from MODEL
If obstacles arise while working with a MODEL file, you may convert it to formats like DXF, DWG, OBJ, STEP, IGES or other similar types for smoother handling.
Keep in mind that converting a MODEL file may introduce some limitations, but the original format can often be restored.