The new default theme of Office 2016 is called “Colorful” and the Ribbon and other accent colors for each Office application match their “icon color”.
The White theme is also still there and the Dark Gray theme has become a bit darker in some areas to more closely match the Dark/Black themes that are common with design software suites like Photoshop and Auto CAD.
This wasn’t optimal for various screen sizes and tablets with small screens and a high DPI setting that were later introduced.
Aside from reducing the size of the message header in a later update, new features were also introduced which allowed you to choose how various message header details were displayed which could reduce the size of the message header even more.
To change the theme use: File-A new interface feature that is probably welcomed by most tablet users is tablet rotation support and a “responsive” design.
When you switch your tablet into portrait mode, Outlook will show the message at almost full width of your device to optimize the reading experience.
Clicking on the “Get Help” link will open the regular Help viewer and the “Smart Lookup” link will open an “Insights” pane in Outlook and performs a web search with Bing.
Clicking on the Attach File icon will now open a menu instead of a browser dialog to attach a file.Upgrading to Outlook 2016 from Outlook 2013 is easy and you’d probably need very little time to adjust yourself to it.In fact, if it wasn’t for the new default “colorful” theme, you’d hardly notice the upgrade to Outlook 2016 at first sight.Your original layout settings are remembered when switching between landscape and portrait mode so you don’t have to manually resize all the Panes again.The new Light Bulb icon in the Ribbon with “Tell me what you want to do…” is a lot more than just a replacement of the the Help Question Mark icon.As mentioned, during the main lifespan of Outlook 2013, various new features and changes have been introduced as well.