Users of the Surface Pro with the Surface Pro Dock should know that external monitor's display is seriously impacted by the use of enlarged fonts. For instance, I have a 24" external monitor plugged into the dock, and after increasing the font size by only 25%, the display area seemed to shrink to that of a 17" monitor. When I increased it to 150%, I felt like I was back using my old 15" display.
If you find that tapping tabs in the layout is difficult, you can resize them by following the steps below:
These steps were provided by Ben Lederer of Swiftpage, with thanks.