The ZBrush installation folder contains a number of special folders that can be used to customize your installation. Within the main ZBrush folder, the following sub-folders can be customized with user content.

Folders highlighted in blue will show up in Lightbox. Folders highlighted in red – content will be available when ZBrush starts.
Lightbox folders
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- ZAlphas: If there are Alphas in this folder, they will appear in the Alpha tab in Lightbox.
- ZBrushes: If there are Brushes in this folder, they will appear in the Brush tab in Lightbox.
- ZDocs: If there are Documents in this folder, they will appear in the Document tab in Lightbox.
- ZFibersPresets: If there are Fibers presets in this folder, they will appear in the Fibers tab in Lightbox.
- ZGrids: If there are Grid files in this folder, they will appear in the Grids tab in Lightbox.
- ZMaterials: If there are Materials in this folder, they will appear in the Material tab in Lightbox.
- ZNoiseMakers: If there are NoiseMaker files in this folder, they will appear in the Noise tab in Lightbox.
- ZProjects: If there are ZBrush Projects in this folder, they will appear in the Project tab in Lightbox.
- ZSpotlights: If there are Spotlight files in this folder, they will appear in the Spotlight tab in Lightbox.
- ZTextures: If there are Textures in this folder, they will appear in the Texture tab in Lightbox.
- ZTools: If there are ZTools in this folder, they will appear in the Tools tab in Lightbox.
ZStartup folders
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- ZStartup\Alphas: You can put your own alphas in this folder, and they’ll automatically appear in the Alpha palette the next time ZBrush starts. Note: Be sure to use only 16-bit grayscale PSD files in this folder. Although ZBrush can import BMP and some TIF files, only PSD files will show up in the palette at startup.
- ZStartup\BrushPresets: Brushes in this folder will appear in the Brush palette the next time ZBrush is started.
- ZStartup\Materials: Material files put into this folder will appear in the Material palette the next time ZBrush is started.
- ZStartup\Textures: Textures put into this folder will appear in the Texture palette the next time ZBrush is started.