If you were looking to protect your PDF file then install the OSTtoPSTAPP PDF Protector Software. It is a professional tool to protect your PDF file by locking it with a very difficult password. The PDF Protector is able to reset users’ security. It is able to make passwords for more than one PDF file at a time, it also occupies the MB space on your hardware. It supports bulk PDF files. It saves you time. It protects your PDF file from editing, printing, or copying without your permission. Portable Document Format Protector utility that has been tested for quality.
Steps to Protect your file:-
1-Install the PDF Protector Tool
2-Click on the Browser PDF file
3-Enter the password in the box
4-Click on the"Browser Output Location" to save data
5-Finally click on the tab “Generated PDF”