Currently in Unity texture arrays do not have an import pipeline for them, and must be created from code, either at runtime or in editor scripts. (link) The Texture2DArray Import Pipeline package ...

Welcome to the Unity import and auto setup tool for Character Creator 3, Character Creator 4, iClone 7 and iClone 8 from Reallusion. This is a fully featured tool to take exports from CC/iClone and ...