How to set security settings for PDF files?

Question: I found out how to save my document file in PDF format yet I don't know how to set security settings so that other people cannot edit or even copy/paste the document ? How can I do that ?

Solution: You need Infix PDF Editor. Just 3 steps, you can set security settings to protect your PDF document.

3 steps to add password and permissions to disable editing and copying/pasting options of PDF document with Infix PDF Editor:
(1) Open source PDF file -> Click menu "Document -> Security...".

(2) Set PDF document security properties in "Document Security" dialog.
(2-1) Set "Security Level". Here, we select "128-bit AES".

(2-2) Set "User Password" required for open PDF document, "Owner Password" required to change PDF security and "Permissions". Here, we don't want others to print, edit and copy/paste the content of PDF document, so we set "Printing", "Editing" and "Copying / Extracting Content" permissions unchecked.

(3) After verifying the new PDF password ("User Password" and "Owner Password"), the specified password and permissions will be applied to source PDF file successful.

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