Create and Restore Backup Files
 
 
 

To restore a drawing from a backup file

  1. In Windows Explorer, locate the backup file identified by the .bak file extension.
  2. Select the file you want to rename. You do not need to open it.
  3. Click File menu Rename
  4. Enter a new name using the .dwg file extension.
  5. Open the file as you would open any other drawing file.