All the books and all of the books are interchangeable. With the, the reference is to specific items (e.g. the books on this subject).

However, all books is general, referring to e.g. every book in the world. It is not interchangeable with all the books/all of the books.

All the users and all of the users are interchangeable. With the, the reference is to specific items (e.g. the users of this program).

However, all users is general, referring to every user in the world. It is not interchangeable with all the users/all of the users.