Admin has given me a huge great answer : It will work better to export from CC3 Pipeline or iClone 7, rather than sending it to 3DXchange for export. CC3 Pipeline FBX export with motions: https://manual.reallusion.com/Character_Creator_3/ENU/3/Content/Character_Creator_3/3/17_Export/Exporting_FBX_Characters_with_MotionPlus.htm CC3 Pipeline export motions only: https://www.youtube.com/watch?v=x5-8oi1alL4&list=PLNV5zSFadPdmyOVE2c3RrOqLZS-KfiEZK&index=42 iClone FBX export: https://manual.reallusion.com/iClone_7/ENU/Content/iClone_7/Pro_7.4/28_FBX/Exporting_FBX_from_iClone.htm