Today I found a Windows only Microsoft’s Creative Commons Add-in for Office. License your office docs with an easy drop-drop menu. Once installed, the add-on is extremely easy to use—just check the new Creative Commons tab on the Ribbon if you are using Office 2007 (or the File menu for earlier versions), select New License, and then follow the wizard to specify your licensing terms. The appropriate Creative Commons license will be available on the menu to insert. The Creative Commons Add-in for Office is a free download (and even open source) for Windows systems only.