To Save the Open File to a V8 DGN File

From the File tab, select Save As.
The Save As dialog opens.
From the Save as type list box, select MicroStation V8 DGN Files (*.dgn)
(Optional) To change the directory, click the Directory drop-down and select one of the following:
— Select Configuration Variable

— <directory_path>
(Optional) In the File name field, specify the file name.
(Optional) To specify the DGN file options, click the Options button.
The Save As V8 Options dialog opens.
(Optional) Using the controls on the tabs, set the following types of options: Remap, References, or Filter.
To close the Save As Options dialog, click OK.
To close the Save As dialog, click OK.

Bentley AutoPLANT and ProSteel objects in a DWG file that was originally created in AutoCAD can be opened in MicroStation V8i (SELECTseries 1) or later editions and saved as a V8 DGN file.