This is a story related achievement which will unlock with natural story progression.
There are two parts to this puzzle, the first part requires you to match up the squares and symbols to break the lock. You will find the pieces you need on the desk in a box.
The second part of the puzzle requires you to add letters to the book ends. You will need to enter these letters in the following order A - B - H - U - L - M - E - R.
Once you have cracked the code you can now select the name Levy, Joseph from the list of files. The achievement will unlock once you complete the the puzzle and find the file.