What does autofil feature do?

Answer 1

It is used to copy things ,like copying a formula or putting in the days of week or months of the year automatically ,or putting in a set of numbers with an equal gap between them.

Example -in cell A1type 5.in cellA2 type 10.now select both cells.click on the fill handle at the bottom corner of

A2,and press and hold the mouse button and drag down.you will see that numbers with the gap of 5 are filled.