Exceljet

Quick, clean, and to the point

Fill down from cell above

Windows shortcut 
CtrlD
Mac shortcut 
D

This shortcut copied data from the cells above to cells below, without having to copy and paste. To fill down into more than one cell at once, make a selection that includes multiple rows below. Cell references in formulas will update normally.

Source and target cells do not need to be next to each other, but you'll need to select the target cell first before the source cell in this case.

Related videos

The videos below demonstrate this shortcut.
In this lesson, we cover shortcuts you can use to to enter data in one or more cells at a time. Knowing these tips can really speed up editing in Excel.
In this video, we'll look at how to use INDEX and MATCH with an Excel Table. Using INDEX and MATCH with an Excel Table is wonderfully straightforward.
In this video, we'll look at how to troubleshoot a VLOOKUP formula designed to perform an approximate match.
Setting up a running total in an Excel table is a bit tricky because it's not obvious how to use structured references. This video explores some options.