Choose the Type of Encryption
 
 
 

To choose the encryption provider and key length for a drawing

  1. Click Tools menu Options.At the Command prompt, enter options.
  2. In the Options dialog box, Open and Save tab, click Security Options.
  3. In the Security Options dialog box, Password tab, enter a password or phrase to open the drawing. Click Advanced Options.
  4. In the Advanced Options dialog box, choose an encryption provider, key length, or both. Click OK.
  5. In the Security Options dialog box, click OK.
 Command entry: SECURITYOPTIONS