Save Drawings to Previous Drawing File Formats
 
 
 

To save an AutoCAD drawing to a previous release format

  1. Click File menu Save As.At the Command prompt, enter saveas.
  2. In the Save Drawing As dialog box, in the File Name box, enter a new drawing name.
  3. Under Files of Type, select the AutoCAD or AutoCAD LT file format you want.
  4. Click OK.
 Command entry: SAVEAS