Quick, clean, and to the point

Select direct precedents

Windows shortcut 
Mac shortcut 

When you select a formula and use this shortcut, Excel will select cells that are directly referred to in the selected formula. The idea behind the word precedent  in this case is "precede" or "before"...cells that come before.

Related videos

The videos below demonstrate this shortcut.
In this video, we'll look at how to quickly find formulas and trace how they are related to one another, using the concept of precedents and dependents.
In this lesson, we cover shortcuts you can use to select special cells with Go To Special