You might want to disable password protection to avoid the accidental locking of drawing files. If you forget a password, there is no way to recover the drawing as the password is required to open, inserted, or attach the drawing file.
- Do one of the following:
- Windows 7: Click the Windows Start button Control Panel.
- Windows 8: On the Windows Start screen, right-click (or use the swipe up gesture from the bottom edge of the screen) and click All Apps. Scroll to the Windows System section and click Control Panel.
- Windows 8.1: On the Windows Start screen, click the All Apps button located near the lower-left corner of the screen (or use the swipe up gesture from the bottom edge of the screen). Scroll to the Windows System section and click Control Panel.
- In the Control Panel window, click Programs, and then click Programs and Features.
- From the installed application list, select the AutoCAD-based product, and then click Change or Uninstall/Change.
- Click Add or Remove Features.
- Specify whether Drawing Encryption is to be enabled or disabled.
- Click Update and click Finish.