They actually did a long time ago. A word .docx can't execute code. If it has a macro, it's a .docm, which is usually blocked on mail systems. The problem of c

They actually did a long time ago. A word .docx can't execute code. If it has a macro, it's a .docm, which is usually blocked on mail systems. The problem of course is the legacy of .doc, which is both of those in one filename.