R has a rich and infinitely flexible graphics system, and you can easily embed R graphics into Microsoft Office documents like PowerPoint or Word. The one thing I dread hearing after delivering such a document, though, is "how can I tweak that graphic?". I could change the colors or fonts or dimensions in R, of course, but sometimes people just want to watch the world burn tweak graphics to their hearts' content. If you're in that situation, you have a couple of options for using R to create Office documents with graphics, and make those graphics editable. Both options work...