What is a MSH file?
A .MSH file is primarily a 3D mesh data file. It stores geometric shapes using polygons, vertices, and edges. Many different software programs use .MSH files for 3D modeling, game development, and scientific simulations. Because "MSH" stands for "mesh", many unrelated applications share this extension. Common types include finite element meshes for Gmsh, computational fluid dynamics meshes for ANSYS Fluent, and 3D models for game engines like Godot.
It is also known as the Orbiter 3D Mesh File format developed by Martin Schweiger for the Orbiter space flight simulator. Other games, such as Dawn of War, Transport Fever, and Neverwinter Nights, also use .MSH files to store 3D character and environment models. Even Adobe Photoshop uses .MSH files to save mesh data for the Liquify filter.
How to open MSH files?
You can open a .MSH file with the specific software that created it. For example, use Gmsh for finite element meshes, ANSYS for fluid dynamics, or a game engine like Unity. However, if you do not know the source of your file, guessing the correct software is difficult.
Because .MSH has multiple possible meanings, we recommend using viewer.online/msh to identify the actual format of the user's file. Our platform can analyze .MSH files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available.
Best practices and file conversion
If you need to use the 3D model in standard 3D modeling software like Autodesk 3ds Max or Blender, you usually need to export or convert it. We recommend converting your files to sensible target formats like .OBJ, .FBX, or .STL on convert.guru.
Summary
Ultimately, viewer.online/msh is extremely useful for identifying, inspecting, and understanding .MSH files without installing software or dealing with compatibility problems.