3MF File Extension
3D Manufacturing File
- File Type 3mf
- Developer 3MF Consortium
- Popularity
- Application Paint 3D
- Category 3D Image Files
- Format XML
What is a 3MF file?
The 3MF extension is related to 3D Manufacturing File and is classified in the 3D Image Files category, which contains 618 files.
3MF files are supported by Windows, Linux and Mac OS. When working with 3MF files, you can rely on 6 programs, including Paint 3D, Cura Software and 3D Builder.
Programs that support 3MF files
How to open a 3MF file?
If you can’t open a 3MF file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
Paint 3D, Cura Software and 3D Builder stand out as the preferred programs to manage 3MF files effectively. To get the latest version of Paint 3D, open the Microsoft website where a universal installer for all operating systems is available.
When you finish installing Paint 3D, the system will automatically launch 3MF files with it.
Set Paint 3D to open 3MF by default
Change default apps on Mac
- Right-click or use Control + Left-click on the desired 3MF file to access the file’s context menu;
- Choose "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 Paint 3D. Check the box next to "Always open in app" to make it the default program.
Set default programs for Windows
- Take the first step by right-clicking on your 3MF file. Next, select "Open With" and then choose "Choose another app" from the available options;
- Find the Paint 3D application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening 3MF files.
Convert files to and from 3MF
If a 3MF file is difficult to handle, you might try converting it to formats such as JPG, JPEG, GIF, PNG, OBJ or similar, which may be easier to work with.
Be aware that converting a 3MF file may reduce some features, but you can usually revert it to the original format.
Convert 3MF to other file formats
Converting Files to 3MF Format
Easy 3MF Troubleshooting
When facing challenges with 3MF files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.
How do I know if my 3MF file has been damaged?
3MF 3d image files that have become corrupted may display one or more of the following symptoms:
- Error alerts occur when actions are performed on the file;
- The file exhibits poor performance during editing operations in Paint 3D;
- When opening the file, errors occur or the inability to access its contents;
- Unexplained 3MF file size inflation;
- Paint 3D or other programs stop responding or crash when trying to handle the file;
Why does Paint 3D quit or crash unexpectedly?
Lack of software updates is a possible reason behind Paint 3D crash. Keep your Microsoft products up to date by installing the latest updates.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.
What methods can be used to repair a damaged 3MF file?
In a data recovery program, open the damaged 3MF file and select the "Repair" menu option. Allow the recovery process to complete, which will automatically repair the damaged 3d image files.
How to edit a 3MF file?
To make changes to 3MF files, you need specialized software that allows both opening and editing the 3d image files. Online 3MF editors offer fewer capabilities than applications optimized for 3D Manufacturing File.
Best 3MF Editor Software in 2026
After analyzing the criteria, we have created a list of 3MF editors available for use.
| 3MF Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Paint 3D | Microsoft | Windows | 4.9 out of 5 (42 reviews) |
| 3D Builder | Microsoft | Windows | 4.3 out of 5 (42 reviews) |