What is represented by the small, black square in the lower-right corner of an active cell or range?
A.
Copy handle
B.
Fill handle
C.
Insert handle
D.
Border
Correct answer is B
Fill handle is a feature to extend (and fill) a series of numbers, dates, or even text to a desired number of cells in Excel. In the active cell of the spreadsheet, the fill handle is a small black box at the bottom right corner, as shown in the image.