Well, the FBX exporter was discontinued and replaced by the DAE -> GR2 exporter; see these threads for details:
http://larian.com/forums/ubbthreads.php?ubb=showflat&Number=564303
http://larian.com/forums/ubbthreads.php?ubb=showflat&Number=572322&page=7

Latest exporter version is currently at https://s3.eu-central-1.amazonaws.com/nb-stor/dos/ExportTool/ExportTool-latest.zip

Last edited by Norbyte; 24/09/17 03:04 PM. Reason: Update link to latest ver