CGM File Extension
Computer Graphics Metafile
- File Type cgm
- Popularity
- Application Adobe Illustrator
- Category Vector Image Files
- Format Text and Binary
What is a CGM file?
The CGM file extension is linked to Computer Graphics Metafile and belongs to the Vector Image Files category, which includes 120 files.
CGM file support extends to various operating systems, including Mac OS, Windows and Linux. To view a CGM file, you can choose from 11 programs such as XnView, Actify DesignShare and IrfanView.
MIME types
- image/cgm
Programs that support CGM files
How to open a CGM file?
If you cannot open a CGM 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.
When it comes to opening and working with CGM files, XnView, Actify DesignShare and IrfanView are the top choices for users. If you need the newest version of Adobe Illustrator, just access the Adobe website. From there you can download the installer compatible with all systems.
Once installed, Adobe Illustrator will be set as the default program, and CGM files will open automatically.
Setting Adobe Illustrator as default CGM viewer
Changing Default Programs in Windows
- Right click on your CGM file, then select "Open with" and click "Choose another application";
- Choose Adobe Illustrator from the available applications listed in the pop-up window to set it as the default application to open your CGM file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired CGM file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
- Within this menu, select "All Programs" and then locate Adobe Illustrator. Check the box next to "Always open in app" to set it as the default program.
Tips and tricks to solve problems with CGM files
Certain problems with CGM files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.
What can lead to sudden Adobe Illustrator crashes?
The likely cause of Adobe Illustrator crashing is lack of software updates. Install the latest updates available for Adobe products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
What is the recommended approach to repair a damaged CGM file?
Open the corrupted CGM file in a recovery program and select the "Repair" menu item. Then wait for the recovery process to complete, which allows you to automatically repair corrupted vector image files.
How do I know if my CGM file is corrupted?
Common indications of damaged CGM vector image files are:
- The file does not open or opens with errors;
- Editing the archive in Adobe Illustrator results in slow or unresponsive behavior;
- File hangs or crashes in Adobe Illustrator or other programs;
- Unexplained increase in CGM file size;
- Error messages appear while working with the file;
How to edit a CGM file?
To edit CGM files, it is essential to install software that supports not only viewing but also editing the vector image files. Online CGM editors provide limited functionality compared to full-featured software for Computer Graphics Metafile.
Best CGM editors in 2026
Considering the mentioned criteria, we have compiled a list of CGM editors that may suit your needs.
| CGM Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Illustrator | Adobe | Windows, Mac OS | 4.6 out of 5 (42 reviews) |
| Canvas | ACD Systems | Windows | 4.6 out of 5 (36 reviews) |
| Actify DesignShare | Actify | Windows | 4.5 out of 5 (47 reviews) |
| CorelDraw Graphics Suite | Corel | Windows | 4.3 out of 5 (35 reviews) |
| PaintShop Pro | Corel | Windows | 4.3 out of 5 (44 reviews) |
Convert to and from CGM
If handling a CGM file is problematic, consider converting it to alternative formats such as DXF, DWG, JPG, JPEG, TIF or other supported types.
Keep in mind that converting a CGM file may introduce some limitations, but the original format can often be restored.
Offline software like XnView allows you to convert CGM files to other formats while maintaining quality.