Saving a drawing with a new name or file format
You can save a drawing with a new name and in any of the following file formats:
Standard drawing files with a .dwg extension. You can choose a .dwg file format that is compatible with various versions of AutoCAD.
Drawing Exchange Format files with a .dxf file extension. You can choose a .dxf file format that is compatible with various versions of AutoCAD.
Drawing templates with a .dwt file extension. Drawing templates allow you to easily create new drawings that reuse your drawing settings and entities.
To save a drawing with a new name or file format
1 Do one of the following to choose Save As:
On the ribbon Quick Access toolbar, click Save As, or on the ribbon Application button, choose Save As.
On the menu, choose File > Save As.
Type saveas and then press Enter.
2 In the Save Drawing As dialog box, under Save As Type, choose the file format.
3 Specify the name of the file you want to create.
4 Click Save.
Drawings can also be saved by exporting to various file formats.
For more details, see Exporting drawings.