Script Download: ImportOSCEXOMasterCategoryList.ziphttp://gallery.technet.microsoft.com/scriptcenter/Import-Category-List-for-2ef1bc05/
Currently, Outlook Web App (OWA) does not allow you to export or import master category list (color categories). But some of you rely on this feature for handling your email messages efficiently. For example, you want to import a master category template list for new hires. So you want a script to mitigate this issue.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery