Protect PDF - Version 3.0 The Restrict PDF Software launched Protect PDF program to Protect PDF files. The software Protect PDF files with User and Owner password security. The Protect PDF program is prominent software that work easily and secure PDF files efficiently. Protect PDF program is one of the renowned utility to protect PDF files & to protect PDF document. With Protect PDF program users can easily & readily protect PDF with password, protect PDF from copying, protect PDF from printing, protect PDF from editing in just few clicks. Protect PDF enable users to set user password to PDF files & add PDF restrictions on PDF files of Acrobat version up to 9. Protect PDF program enable users to apply 2 security settings: 1) Add Password to PDF Document - To add user password to PDF files. 2) Add Restrictions to PDF Documents - To apply restrictions like: copy, edit, print on PDF files. Protect PDF program allows users to add user password to PDF files so as to enable users protect PDF with password. The program allow users to apply PDF restrictions so as to restrict unauthorized users to copy, print, edit