Dialog Box: PDF Security Settings

To open this dialog box, enable the Protect from modification option on the PDF dialog box.

Set passwords and an encryption level for PDF files:

Option name Option description
Require password to open document Select this option if you wish to prevent users from opening your PDF document unless they type the password you specify.
Document Open Password

Shows if a Document Open password has been specified.

Note. If there is Document Open, the actual characters will be replaced with dots.

Opens the Enter Document Open Password dialog box, where you can type in a password and confirm it.
Permissions group
Restrict printing and editing the document and its security settings Select this option if you wish to prevent users from printing and editing your PDF document unless they type the password you specify. If some security settings are selected for the document, users will not be able to change these settings unless they type the password you specify.
Permissions Password

Shows if a Restrict printing and editing the document and its security settings has been specified.

Note. If there is a Printing allowed, the actual characters will be replaced with dots.

Opens the Enter Permissions Password dialog box, where you can type in a password and confirm it.
Permissions settings group
Printing allowed

Specify an allowed quality of printing for your PDF document. The following choices are available:

  • None
    This setting prevents users from printing the document.
  • Low resolution (150 dpi)
    This setting allows users to print the document at low resolution.
  • High resolution
    This setting allows users to print the document at any resolution.
Changes allowed

Specify which editing actions are allowed in your PDF document. The following choices are available:

  • None
    This setting prevents users from making any changes to the document.
  • Insert, delete, and rotate pages
    This setting allows users to insert, delete, rotate pages; create navigation elements such as bookmarks or thumbnail images; and modify the contents of the document.
  • Add comments, add text, and sign
    This setting allows users to fill out forms (that is, fill out existing interactive form fields); sign the document (which amounts to filling out existing signature fields, a type of interactive form field); and add or modify text annotations and interactive form fields.
  • Modify document (does not allow extracting pages)
    This setting allows users to make any changes to the document, except for extracting pages.
Enable copying text, images, and other content Select this option to allow users to select and copy text, pictures, etc. from your PDF document.
Enable text access for screen reader devices

If this option is selected, users will be able to use screen readers to read your PDF document. They will also be able to copy information from the document.

This option is available only if a high encryption level is used.

Encryption level

Set the type of encryption for a password-protected document. Select one of the following options:

  • Low (40-bit) - compatible with Acrobat 3.0 and above
    Sets a low (40-bit) encryption level.
  • High (128-bit) - compatible with Acrobat 5.0 and above
    Sets a high (128-bit) encryption level, but Acrobat 3.0 users cannot open PDF documents with this encryption level.
  • High (128-bit AES) - compatible with Acrobat 7.0
    Sets a high (128-bit AES) encryption level, but Acrobat 6.0 (or earlier) users cannot open PDF documents with this encryption level.
See also

Output Format Settings Dialog Box

20.09.2022 9:27:51

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