How do I open a .3MF file on Windows or Mac?

You can open .3MF files using Bambu Studio, PrusaSlicer, UltiMaker Cura, Windows 3D Builder, SolidWorks. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .3MF to a standard format in your browser.

Is a .3MF file safe to open?

This format carries a safety rating of Low Risk. Modern multi-color 3D printing standard preserving model orientation and materials

Can I convert a .3MF file to other formats?

Yes! .3MF can be converted to formats such as .STL, .OBJ directly in your web browser.

What should I do if a .3MF file is corrupted or won't open?

If your .3MF file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .3MF files?

You can open .3MF files using Bambu Studio, PrusaSlicer, UltiMaker Cura, Windows 3D Builder, SolidWorks.

CAD & 3D • MIME: application/vnd.ms-package.3dmanufacturing-3dmodel+xml

.3MF – 3MF File Format

Q: What is a .3MF file?

A .3MF file is a 3MF File Format associated with CAD & 3D. 3MF (3D Manufacturing Format) is an XML-based open 3D printing container format created by the 3MF Consortium, storing colors, materials, slices, and print settings.

3MF (3D Manufacturing Format) is an XML-based open 3D printing container format created by the 3MF Consortium, storing colors, materials, slices, and print settings.

Primary Category CAD & 3D

MIME Type application/vnd.ms-package.3dmanufacturing-3dmodel+xml

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .3MF

Bambu Studio

windows, mac, linux • Free

PrusaSlicer

windows, mac, linux • Free

UltiMaker Cura

windows, mac, linux • Free

Windows 3D Builder

windows, mac, linux • Free

SolidWorks

windows, mac, linux • Free