How to secure unlock PDF and reset password?

The OSTtoPSTAPP PDF Unlock program offers a more reliable and secure solution for resetting passwords and unlocking PDF files. The program makes it easy to reset any type of PDF file password. Users can easily remove limitations on editing, copying, printing, and other operations by unlocking one or more PDF files. By using a single or multiple file option, users can also unlock many PDF files at once without wasting time or changing their data. Users can quickly restrict access to particular PDF files. Windows 11, 10, 8.1, 8, 7, and all other prior versions of Windows are compatible with this application. Every user has access to an unlimited trial version of the software.