USD file formats
The following table explains supported USD file formats in 3ds Max and your general usage for each file format. For more information, see USD Import Options, USD Export Options.
| Type | Format |
|---|---|
| .usd | generalized format in which you can specify between Binary (default) or ASCII |
| .usda | optimized for human-readability, ASCII only |
| .usdc | optimized for machine-readability, Binary only |
| .usdz | optimized for packaged assets (only supported when exporting USD) |