SLDASM File Extension
SolidWorks Assembly Format
- File Type sldasm
- Developer Dassault Systemes
- Popularity
- Application SolidWorks
- Category CAD, CAM and CAE Files
- Format Binary
What is a SLDASM file?
SolidWorks Assembly Format, identified by the SLDASM extension, is a CAD, CAM and CAE Files type and includes 148 files.
With the creation of the SolidWorks Assembly Format (SLDASM), Dassault introduced file format along with 6 programs built for their use.
SLDASM files are supported by Windows. You can open a SLDASM file using one of 15 programs, for example SolidWorks, KeyCreator and EnSuite.
Programs that support SLDASM files
How to open a SLDASM file?
The most common reason why a SLDASM file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with SLDASM files are SolidWorks, KeyCreator and EnSuite. To get the latest version of SolidWorks, open the SolidWorks website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign SolidWorks as the default app for SLDASM files.
Make SolidWorks the default SLDASM viewer
Changing the default program in Windows
- Start by right-clicking on your SLDASM file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose SolidWorks as the application to associate with your SLDASM file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired SLDASM file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to SolidWorks. Check the box next to "Always open in app" to make it the default program.
Convert to and from SLDASM
If a SLDASM file is difficult to handle, you might try converting it to formats such as DWG, JPG, JPEG, PNG, OBJ or similar, which may be easier to work with.
Please note that after converting a SLDASM file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.
Convert SLDASM to other file formats
Finding answers to SLDASM file problems
If you encounter issues with SLDASM files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my SLDASM file is damaged?
Corrupted SLDASM cad, cam and cae files may have one or more of the following symptoms:
- Poor performance when editing a file in SolidWorks;
- Opening or processing the file in SolidWorks or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the SLDASM file;
- Working with the file triggers the display of error messages;
Why does SolidWorks quit or crash unexpectedly?
SolidWorks crashes can be attributed to outdated software. Make sure you have installed the latest updates for SolidWorks products.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What methods can be used to repair a damaged SLDASM file?
Use a recovery program to open the damaged SLDASM file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged cad, cam and cae files.
How to edit a SLDASM file?
To edit SLDASM files, you need to install specialized software that allows you not only to open but also to modify cad, cam and cae files. Online SLDASM editors usually provide fewer features than software created specifically for SolidWorks Assembly Format.
List of Top SLDASM editors 2026
Following these criteria, we have put together a list of recommended SLDASM editors.
| SLDASM Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| SolidWorks | SolidWorks | Windows | 4.1 out of 5 (40 reviews) |