Launch Outlook 2013 (or Word or Excel…) and Click File > Options. So changing the colors was the first thing I checked on after installing the RTM, and I’m excited to announce it is possible, and here’s how to do it.Īgain – This only works with Office 2013 RTM “Release to Manufacturer.” You cannot change the theme colors in the Preview. This has been a very sore subject with the Office 2013 Preview as the default White theme has been quite painful on the eyes. Changing the Color Theme in Office 2013, including Outlook 2013, Word, Excel, was not possible until the final RTM release, which is unavailable on Technet and Volume Licenses sites at Microsoft.