How to print/edit/copy a password-protected PDF

Question

A group I work with want to disseminate a PDF, but make it impossible to print, edit or copy information unless they have a password that restricts access.

So I've been following instructions from this thread as a test, protecting the document using a password. However, the thread pertains to editable forms and not normal documents saved as a PDF - now that it is protected, the function to print is greyed out and copying information from it persists... if no dialog box appears, how does one actually unlock the document to print it, or stop someone from copying information?!

try67 · Answer

The process described in the thread you linked to applies to "normal" PDF

files as well as to forms.

To remove the protection one needs to use Acrobat and to follow the same

procedure but select "No security" in the File Properties window (of

course, you have to know the password in order to do that).

Keep in mind, though, that this type of security is far from perfect and

can be easily overcome (using third party tools) if someone is willing to

do so...

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