Autofill
When you need to continue a pattern for an entire column or row,Autofill will complete this task quickly. To useAutofill, select cells to use as a source. Drag the lower right corner of the selection to the cells that you want to copy to.
If there is a numerical pattern, that pattern will be continued. Otherwise, the cells will be copied from the source cells. The lower right icon afterAutofill shows options to change the fill result:Copy Cells,Fill Series, orFlash Fill.