1 Open X_T directly in the assembly file, and the assembly file can be automatically named and generated. However, there are too many parts and the subassemblies need to be rebuilt.
After renaming in a folder, you must reassemble it to add new components.
3 Layering is the same as general files!
4. Create a new subassembly: drag and drop the part into the subassembly in the assembly file/new subassembly/naming/navigator folder. It is also convenient to drag out components.
It is recommended not to change the name of the part, and it is best to name the new sub-assembly with "new assembly".