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HOME/USEFUL GUIDES/GUIDE TO 3D FILE FORMATS/MHB FILE FORMAT EXPLAINED
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MHB File Format Explained

The MHB format is a MetaHuman Creator file used to export and import the data defining a MetaHuman character. It is primarily used for sharing MetaHumans between MetaHuman Creator users or accounts, rather than for direct import as a standard Unreal Engine asset.

IconExtensionOriginal SoftwareYearPrimary IndustryGeometryUV MapsTexturesPBRAnimationRiggingOpen Use
MHB Icon.MHBMetaHuman Creator2022Entertainment
Game Development
Character Design		Parametric✔✔✔✔✔–

MHB File Format Details

What It Stores

It stores MetaHuman character definition data used by MetaHuman Creator, rather than full Unreal Engine-ready character asset data. This data represents the character setup needed by MetaHuman Creator to recreate or continue the MetaHuman design.

Primary Use Cases

  • Sharing MetaHuman characters between MetaHuman Creator users or accounts.
  • Archiving specific MetaHuman character definitions for later import into MetaHuman Creator.
  • Transferring MetaHuman Creator character data before using supported Unreal Engine delivery workflows.

Strengths

  • Lightweight sharing format for MetaHuman Creator character definitions.
  • Allows MetaHuman character definitions to be shared between users or accounts.

Limitations

  • Intended for MetaHuman Creator workflows, not as a general-purpose 3D interchange format.
  • No direct compatibility with standard 3D DCC tools like Blender without first being processed through Unreal Engine or other tools.

Common Software Support

Primarily supported by web-based MetaHuman Creator. Unreal Engine workflows use Quixel Bridge in older MetaHuman workflows, while newer workflows use MetaHuman Character assets and MetaHuman Assembly workflows.

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