AutoCAD FAQ

Changing File Type

1. How can I convert a DWG file back to an older release?
   The easiest way to save a drawing file back to an older format is to use the SAVEAS command and select the format required under 'Files of Type'. This table shows backward compatibility for AutoCAD releases: Release DWG formats DXF formats 2008 2007, 2004, 2000, R14 2007, 2004, 2000, ...
   
   
2. How do I open a .BAK file?
   To locate a .BAK file, ensure hidden files are set to 'show'. In Windows Explorer, go to ToolsFolder optionsView and in the Advanced settingsHidden Files and Folders unclick 'Hide extensions for known file types', otherwise the renamed file will become filename.dwg.bak and will not open in Auto ...