Windows only: Standalone application Theme Builder creates themes for Microsoft Word documents, Excel spreadsheets, PowerPoint presentations, and even Outlook emails—allowing you to create a consistent look and feel across all your documents. Downloading the application requires using Microsoft's annoying File Transfer Manager, which usually requires Internet Explorer, and once you get past that hurdle you need to make sure that you've got the .NET Framework 3.0 and Office 2007 Interop installed—but once you've successfully navigated through all of those, the application is relatively easy to use. - lebaron