The Foreign Data tab is only available on the Options dialog box if you install the Translators option.
Sets options for moving information into the current document by dragging a document or by clicking one of the following commands:
Paste Special on the Edit menu
Object on the Insert menu
Open on the File menu.
Format - Sets the type of format that you can use for importing or saving a document. When you click MicroStation or AutoCAD and then click the appropriate Options, you can access a specific dialog box to set options for importing or saving AutoCAD (.dxf, .dwg) or MicroStation (.dgn) documents.
Import - Sets options for importing an AutoCAD or MicroStation document.
File Units - Sets the units for the document you want to import. When you insert or drag a document into the drawing sheet, the software uses this setting only when the document has units assigned that the software does not recognize.
Orientation - Sets the orientation for the document that you want to import.
Options - Accesses one of the dialog boxes for importing an AutoCAD or MicroStation document.
Export - Sets options for exporting an AutoCAD or MicroStation document.
Options - Accesses a dialog box for exporting an AutoCAD or MicroStation document.