HI SUIYAN,

re:
> I am curious if the final version of v3 can modify the output version of moi3d in fbx format
> by modifying moi.ini or other methods.

No there wasn't any method set up in MoI v3 for setting the FBX output version.

That was added in MoI v4, where it can be set under Options > FBX options > "FBX version".

- Michael