It is called the Akashic records.
They are believed by theosophists to be encoded in a non-physical plane of existence known as the mental plane. Because it is believed that the records are encoded vibrationally into the inherent fabric of space, some have likened the mechanism as similar to how holograms are created.
I know some of these words!
to explain: Some trade-off occultist scammers said they can access all of humankinds knowledge in brain-space