The use of Excel is pretty much ubiquitous in most industries including AEC, and the idea of being able to open up a BIM model inside Excel and work with its data is brilliant in its simplicity. This review explores a new application, CellBIM, which actually does this. With it, you can bring a BIM model into Excel, work directly with its elements, query it, perform calculations, take-off quantities, and explore any aspect of the design visually.