I recommend you to try this Professional utility named PDF Encryption Tool to Protect PDF files from unauthorized Access. It allows users to safely Lock, Protect or Encrypt PDF Files. It has simple and interactive allowing even novice users to work with
this utility. Moreover, the utility supports all PDF files and runs smoothly on all versions of Windows OS like 11, 10, 8.1, 8, 7, etc. For more information:
https://www.convertertools.org/pdf-encryption/
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)