One way to impress your users and management is to customize Microsoft Office Outlook Web Access by using your organization’s logo and colors. Customizing Outlook Web Access is a great way to help build an identity for your organization into a tool that many users rely on.
In this article, we’ll show you how to customize the logon, language selection, and logoff pages, and how to create a theme by using a custom header. If you want to create an Outlook Web Access theme that has more complex changes for your organization, begin by studying how cascading style sheets (.css files) work. After you have developed a good understanding of .css files, change a few elements at a time and test your changes to make sure that the result is what you expect.