SMG File Extension
SolidWorks Composer File
- File Type smg
- Developer Dassault Systemes
- Popularity
- Application 3DVIA Virtools
- Category 3D Image Files
What is a SMG file?
The SMG file extension is linked to SolidWorks Composer File and belongs to the 3D Image Files category, which includes 618 files.
The SolidWorks Composer File (SMG) was created by Dassault, a company that developed file format and produced 6 programs for their use.
SMG file support extends to various operating systems, including Windows. If you need to open a SMG file, you can use one of 2 programs, such as 3DVIA Virtools and 3DVIA Player.
Programs that support SMG files
Windows
Online Services
How to open a SMG file?
If you’re having difficulty opening a SMG file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
When it comes to opening and working with SMG files, 3DVIA Virtools and 3DVIA Player are the top choices for users. If you need the newest version of 3DVIA Virtools, just access the Dassault website. From there you can download the installer compatible with all systems.
When you finish installing 3DVIA Virtools, the system will automatically launch SMG files with it.
Set 3DVIA Virtools as the default SMG application
Changing Default Programs in Windows
- Right-click your SMG file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
- From the options listed in the pop-up window, specifically choose 3DVIA Virtools as the application to handle your SMG file;
- Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.
Change the default app that opens a file on Mac
- Right-click or use Control + Left-click on the desired SMG file to open a menu where you can choose from multiple actions;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
- Within this menu, select "All Programs" and then search for 3DVIA Virtools. Check the box next to "Always open in app" to make it the default program.
How to edit a SMG file?
To edit SMG files, it is essential to install software that supports not only viewing but also editing the 3d image files. Online SMG editors provide limited functionality compared to full-featured software for SolidWorks Composer File.
Best SMG editors in 2026
After analyzing the criteria, we have created a list of SMG editors available for use.
| SMG Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| 3DVIA Virtools | Dassault | Windows | 4.3 out of 5 (40 reviews) |
Troubleshooting guide for SMG file complications
When facing challenges with SMG files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.
What can lead to sudden 3DVIA Virtools crashes?
3DVIA Virtools crashes can occur due to outdated software versions. To mitigate this, install the latest updates for Dassault products.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.
What is the recommended approach to repair a damaged SMG file?
Open the damaged SMG file with a recovery program, and then select the "Repair" menu item to start the repair process. Then wait for the recovery process to complete, which allows you to automatically repair corrupted 3d image files.
What are the telltale signs of a corrupt SMG file?
Common indications of damaged SMG 3d image files are:
- Unexplained increase in SMG file size;
- File hangs or crashes in 3DVIA Virtools or other programs;
- The file does not open or opens with errors;
- While working with the file, error messages appear;
- Editing the archive in 3DVIA Virtools results in slow or unresponsive behavior;