CGR File Extension
CATIA Graphical Representation Format
- File Type cgr
- Developer Dassault Systemes
- Popularity
- Application CATIA
- Category CAD, CAM and CAE Files
What is a CGR file?
The CGR extension is related to CATIA Graphical Representation Format and is classified in the CAD, CAM and CAE Files category, which contains 148 files.
The CATIA Graphical Representation Format (CGR) was developed by Dassault, which created file format and 6 programs to work with them.
CGR files are compatible with various operating systems, including Windows. To open a CGR file, you can choose from 7 programs such as CATIA, CATIA MultiCAx plug-in and EnSuite.
Programs that support CGR files
Online Services
How to open a CGR file?
If you cannot open a CGR file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
CATIA, CATIA MultiCAx plug-in and EnSuite are among the most widely used programs for handling CGR files. To install the most up-to-date edition of CATIA, visit the official Dassault website. You can download the build that works across all operating systems.
After setup, the operating system should recognize CGR files and link them with CATIA.
Set CATIA as the default CGR program
Change Default Program on Mac
- Right click or Control + left click on the desired CGR file;
- Choose "Open in Application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate CATIA. Check the box next to "Always open in app" to set it as the default program.
Change default programs in Windows
- Start by right-clicking on your CGR file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- 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 CGR files.
How to edit a CGR file?
To modify CGR files, it is necessary to install dedicated software that lets you open and edit cad, cam and cae files. Online CGR editors generally offer fewer tools compared to programs designed for CATIA Graphical Representation Format.
Best CGR Editor Software in 2026
Based on your described criteria, here is a list of available CGR editors.
| CGR Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| CATIA | Dassault | Windows | 4.8 out of 5 (44 reviews) |
| CATIA MultiCAx plug-in | Dassault | Windows | 4.2 out of 5 (44 reviews) |
Convert files to and from CGR
When a CGR file is not easy to work with, converting it to formats like DXF, IGS, STP, S or other comparable types may help.
It is important to understand that converting a CGR file might limit certain functions, but this conversion is usually reversible.
Offline conversion tools, like CATIA MultiCAx plug-in, provide reliable and high-quality conversion of CGR files.
Convert CGR to other file formats
Converting Files to CGR Format
Solve problems with CGR files
CGR files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Are there any techniques or tools available to repair a damaged CGR file?
Use a recovery program to open the damaged CGR file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged cad, cam and cae files.
What are the ways to check if my CGR file is damaged?
The signs of corrupted CGR cad, cam and cae files can manifest as:
- The file does not respond or shows errors when opening it;
- The file shows slow performance when edited in CATIA;
- The file stops responding or freezes in CATIA or other programs;
- Unexplained CGR file size inflation;
- Actions performed on the file result in the appearance of error notifications;
What factors contribute to CATIA crash?
Insufficient updates for Dassault products can cause CATIA to crash. Be sure to regularly install the latest software 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.