Microsoft campuses were always impossible to navigate. The buildings are numbered in the Japanese style, i.e. chronologically.

Why not number buildings on a battleship grid? Building B6 must be adjacent to A6 and B7, as opposed to building 40 being adjacent to 27. Why not prefix the office numbers of an X-wing building with cardinal directions? If you see office N202, and you need office W107, head to the core, down the stairs, and one hallway to the left.