Sometimes the issue isn't a lost password but a corrupted password cache. Before panicking, try these steps:
Because AutoCAD 2007 uses a relatively slow encryption hashing process (by modern standards), brute-force is possible, though time-consuming. autocad 2007 password
If the DXF trick fails and brute-force is too slow, use a data recovery service. Sometimes the issue isn't a lost password but
You can access security settings through the command line or the save menu: Via Command Line SECURITYOPTIONS and press Enter to open the security dialog directly. Via Save As Menu In the Save Drawing As window, click in the top right corner. Security Options Via Options Menu in the command bar and press Enter. Navigate to the Open and Save Security Options Configuring Security Settings Enter Password You can access security settings through the command
: Type your chosen password in the field labeled "Password or phrase to open this drawing". Confirm Password