Opening 2010 version DWG files in previous versions of AutoCAD
You were unable to open DWG files created in AutoCAD® 2010 in previous versions of AutoCAD.
The native drawing file format for AutoCAD 2010 is not compatible with previous releases. You can open drawing file formats from previous releases in AutoCAD 2010. However, in order to open AutoCAD 2010 files in previous releases, you will need to use the SAVEAS command in AutoCAD 2010 and save the file in the appropriate file format.
The following table illustrates which drawing file formats to use when saving to a previous version:
|Drawing File Format||Applicable Releases|
- AutoCAD 2009
- AutoCAD 2008
- AutoCAD 2007
- AutoCAD 2006
- AutoCAD 2005
- AutoCAD 2004
- AutoCAD 2002
- AutoCAD 2000i
- AutoCAD 2000