Question: how to open fbx file?
Answer: Click Insert tab Import panel Import. Find.
In the Import File dialog box, in the Files of type box, select FBX (*. ... 
Find and select the FBX file you want to import, or enter the name of the FBX file at File Name.
Click Open. ... 
Specify the items to be imported, the assigned layer for the objects, and the conversion units.