Convert animations to XAF format for Biped

Published on January 06, 2026 | Translated from Spanish
Screenshot of 3ds Max showing the Motion panel with the option to save animation in XAF format highlighted, alongside a Biped-rigged character in an animated pose.

The Art of Translating Animations into Biped's Language

When your animations prefer to speak languages other than 3ds Max's native XAF, you need to become a true digital polyglot. This exclusive format of the Biped system is like the Latin of 3D animation: powerful, specific, and sometimes frustrating to master. πŸ›οΈ

Why Changing the File Extension Isn't a Solution

Trying to rename an .fbx file to .xaf is like putting a champagne label on a soda: the content remains the same even if the wrapper says otherwise. For a real conversion you need:

The Professional Path for Clean Conversions

A wise animator once said: "I'd rather redo 100 frames than debug a bad conversion"

The ideal workflow involves:

  1. Importing the original animation into intermediate software
  2. Applying it to a temporary compatible rig
  3. Exporting in a universal format (usually .fbx)
  4. Reorienting in 3ds Max using the Motion Panel

For this, your best allies are:

When the Biped Dances to the Wrong Tune

If after conversion your character seems to be at a rave party instead of performing the planned animation, try these adjustments:

And remember: if all else fails, you can always say it's an artistic interpretation of the original animation. After all, what would 3D animation be without a bit of controlled chaos? πŸ•ΊπŸ’₯