These articles might help.  It is for Windows 10 but might also work in server.  You might have noticed that the folder did not turn green like the book said....

https://www.top-password.com/blog/show-encrypted-or-compressed-ntfs-files-in-color-on-windows-10/

https://www.tenforums.com/tutorials/89204-show-encrypted-compressed-ntfs-files-color-windows-10-a.html