Oh -- well, that's an easy answer (I guess -- it depends on what you've already tried).

So you import the FBX into XChange, right?  And you checkmark the "with animation" that comes up initially in the dialog box (and I'd use, say, 15 samples or so -- you don't need any more, as Rampa has discovered).

Once you do this do you see the animation listed in the "Perform" menu (on the right)?  And do you then export the whole thing to iClone WITH that animation?

If so, then once in iClone all you have to do is right-click on the object, and choose Perform and then the animation will be listed there.

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley