According to the publication, it remains unclear how long the project will take, but it is understood that the now sixty-something-year-old is spending two days a week working through the priceless, and personal documents.
However, what is abundantly clear is that the newly minted monarch King Charles III will have to sanction the private documents ahead of their release.
Whilst it may seem strange to some that the private documents of a member of the royal family (both British and abroad) would even be considered for public release, the practice is surprisingly quite common.
Queen Victoria - who reigned from 1937 until her death in 1901- often journaled, and a total of 141 volumes (numbering 43,765) have since become available online for royal fans or those interested in history to peruse.
In her diaries, she touched on everything from her Diamond Jubilee celebrations to her wedding and love for Prince Albert.
Something tells us, Queen Elizabeth's diaries may follow a similar (if not more modern) vein.