This publication explains that the Akashic records are the human way of understanding that every thought that has ever been thought, exists. In here author explains the Akasha as being like a library, where the levels (or floors) of that library in the universe are dimensions.
Then is Chapter 2 of author change discussion about Akashic Records and addresses the question of how to access the Akashic Records.
The Akashic Record can be summed up as any thoughts which has been previously thought in the history of this universe or any universe.
Author clears and explains that one does not have to go anywhere to access the Akashic Records. Instead the way one is able to receive information and have experiences in and of the Akashic Record.
This publication explains the universal concept of resistance and allowing which is all about energetic frequency and applies directly to Akashic Record.