Currently, you can only preview Excel documents on Box.com in landscape mode which means documents with orientations set to portrait are chopped at the 2/3 mark and appear on two pages. The issue is that it takes up precious viewing space by having the two pages in the page preview panel on the left which would otherwise not be there if you were looking at a 1-page document in portrait mode. Therefore, you have to zoom into a document and then flip to the second page to see the rest of it. Please fix.