X_T File Extension
Parasolid Model Part Format
- File Type x_t
- Developer Siemens PLM Software
- Popularity
- Application Parasolid
- Category CAD, CAM and CAE Files
- Format Text
What is a X_T file?
Parasolid Model Part Format, identified by the X_T extension, is a CAD, CAM and CAE Files type and includes 148 files.
The Parasolid Model Part Format (X_T) was created by Siemens, a company that developed file format and produced 7 programs for their use.
X_T files are compatible with various operating systems, including Windows and Mac OS. If you need to open a X_T file, you can use one of 17 programs, such as Parasolid, TopSolid and Autodesk Inventor.
File Signature
HEX code: 2A 2A 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F. ASCII code: **ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv.
Programs that support X_T files
How to open a X_T file?
If you’re having difficulty opening a X_T 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.
Parasolid, TopSolid and Autodesk Inventor are recognized as the most popular software solutions for dealing with X_T files. To install the most up-to-date edition of Parasolid, visit the official Siemens PLM website. You can download the build that works across all operating systems.
After successful installation, your operating system should seamlessly handle X_T files via Parasolid.
Set Parasolid as your default X_T viewer
Setting a default program by file type in Windows
- Right-click your X_T file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
- From the list of applications in the pop-up window, find and select Parasolid as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening X_T files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired X_T file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
- Select "All Programs" from this menu and proceed to search for Parasolid. Check the box next to "Always open in app" to set it as the default option.
How to edit a X_T file?
Editing X_T files requires installing professional software that lets you open and edit cad, cam and cae files. Online editors have more limitations compared to dedicated Parasolid Model Part Format programs.
List of Top X_T editors 2026
With the mentioned criteria in mind, we have assembled a selection of X_T editors.
| X_T Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Parasolid | Siemens PLM | Windows | 4.9 out of 5 (39 reviews) |
| KeyCreator | Kubotek USA | Windows | 4.8 out of 5 (38 reviews) |
| TopSolid | TopSolid | Windows | 4.5 out of 5 (39 reviews) |
| Autodesk Inventor | Autodesk | Windows | 4.4 out of 5 (47 reviews) |
Convert to and from X_T
When a X_T file is not easy to work with, converting it to formats like DXF, DWG, JPG, OBJ, IGS or other comparable types may help.
Converting a X_T file may not fully retain all functionality, but it is generally possible to return it to the original format.
Convert X_T to other file formats
Solving Common X_T File Challenges
X_T files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.
Are there any techniques or tools available to repair a damaged X_T file?
Open the damaged X_T file with a recovery program, and then select the "Repair" menu item to start the repair process. Wait for the recovery process to finish, as it will automatically repair damaged cad, cam and cae files.
What are the telltale signs of a corrupt X_T file?
Corrupted X_T cad, cam and cae files may show the following signs:
- Unexpected expansion of the total size of the X_T file;
- Opening or processing the file in Parasolid or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- While working with the file, error messages appear;
- Editing the archive in Parasolid is accompanied by slow performance or delays;
What factors contribute to Parasolid crash?
Parasolid crashes can occur due to outdated software versions. To mitigate this, install the latest updates for Siemens PLM products.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.