If you want to protect your PDF file then install the OSTtoPST APP PDF Protector program. It is a modern tool to protect your PDF file by locking it with a very unique password. The PDF Protector is able to reset users’ security. It is capable of making passwords for more than one PDF file at a time, it also occupies the space MP on your hardware. It protects your PDF file from editing, printing, or copying without your permission. It supports bulk PDF files which means it safe your time. 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”