Arloevans
New member
Yes, a PDF file can be locked. Portable document format can be accessed on any platform, is easy to share, and can be published online. So, for locking the PDF documents you can use a licensed and professional tool which is the OSTtoPSTAPP PDF Protector Tool. This application maintains the integrity of the PDF file while locking it. It does not share the password with a third party and secures your PDF file easily and quickly. Users can set or reset the password of a PDF file and it can be operated by anyone without having the technical skills because it provides a user-friendly interface. As this utility is lightweight, it occupies less space in your system and works independently without the installation of the Adobe Reader. It provides its free demo version which can be used for free.