The Dock, a fundamental part of the Mac operating system, provides a very simple way to access your most frequently used apps, files, and folders. By default it is already extremely convenient to use, but you can make it even more helpful by customizing it.
The first way to tailor your Mac’s Dock to your liking is by changing its position on your screen. By default, the Dock lives on the bottom of the screen, but it can easily be positioned on the left or right side of the screen. To change the Dock’s location, open System Preferences and head to the Dock preference pane. Then select where on the screen you want the Dock to be next to “Position on screen.”
In addition to its position, the Dock’s color can be changed as well. This color-switching option first became available in OS X Yosemite, with the addition of a dark mode to OS X. This dark mode is pretty self-explanatory: it makes OS X’s menu bar, Dock, and Spotlight search box dark instead of light. So, if you would rather have a dark Dock than a light one, go to System Preferences and open the General preference pane. There, check the checkbox next to “Use dark menu bar and Dock.”
A third Dock setting worth tweaking is magnification. When magnification is turned on, the icons in the Dock grow larger as your mouse hovers over them. This feature is great if you have a very small Dock, as it allows you to easily view your Dock’s various items. To enable Dock magnification, open up System Preferences and go back into the Dock preference pane. Then, check the box next to “Magnification” and customize the magnification size to your liking.
4. Quick File Access
Placing files and folders in your Dock for quick access can (in theory) boost your productivity, as it makes them instantly available to you at any time on your Mac. To add files or folders to your Dock, simply drag them to the right side of your Dock, which is reserved for files and folders.
If you just don’t like the idea of having a Dock on your Mac whatsoever or you feel that your Dock takes up too much valuable screen space, then you may want to hide your Dock. When your Dock is hidden, you can still access it by moving your cursor to wherever your Dock is positioned on the screen. Otherwise, if your cursor isn’t close to your Dock’s screen location, your Dock remains out of view. To enable Dock hiding, open System Preferences and click the Dock preference pane. Then check the checkbox next to “Automatically hide and show the Dock.”