This App is not compatible with Smartphones and Tablets. Please try this in desktop or laptop.
Excellent!

Excel Fill Down or Fill Right Shortcuts

Fill Down

This Excel Shortcut copies data from the cells above without using copy and paste. If you select a continuous range and press CTRL + D, then the cells in the row directly above the selected range will be copied down to all selected cells. To copy down cells in the row that is not directly above, use CTRL to select cells above in addition to the range you wish to paste into and press CTRL + D.

PC Shorcut:Ctrl+D
Mac Shorcut:^+D
Remember This Shortcut: D for Down

Fill Right

This Excel Shortcut copies data from the cells on the left without using copy and paste. If you select a continuous range and press CTRL + R, then the cells in the column directly to the left of the selected range will be copied to all selected cells. To copy cells in the column that is not directly to the left, use CTRL to select cells to the left in addition to the range you wish to paste into and press CTRL + R.

PC Shorcut:Ctrl+R
Mac Shorcut:^+R
Remember This Shortcut: R for Right