Password Security dialog box

options icon

To display this dialog box, select Security > Security > Manage Security > Modify, then choose Password Security in the Security Method drop-down list.

  1. Specify compatibility level (40-bit, 128-bit for different PDF versions, 128-bit or 256-bit AES - Advanced Encryption Standard)

  2. Choose from the options: Encrypt all document contents, All contents except metadata, or File attachments only (options depend on the encryption level)

  3. Secure the document by an Open or a Permissions type password or both:

  1. Click OK to finish and confirm the Open and/or Permissions Password in the pop-up Password dialog box.