It’s one of those things that nobody wants, but everybody needs in their home office. A utilitarian fireproof file cabinet is a must to keep your important documents safe and in order. But you don’t have to settle for the metallic beige eyesores of your parents’ den circa 1970.You can take an old cabinet (or a new-to-you one from a flea market or thrift store) and tailor it to suit your home office with a fresh coat of paint, wallpaper or patterned vinyl.