Yes there is a reliable PST to PDF Converter for Windows 10/11. You can use the professional tool like Softaken Outlook to PDF Converter. It supports all Windows (such as,11,10,8,7 etc ). It preserves all email content such as TO, From, CC, BCC, Subject, date, formatting, and folder structure during the conversion and supports both Unicode and ANSI PST files. It is user friendly for both technical and non-technical users. You can check the free trial versions of this software.