To edit a cell
F2
To copy and paste cells
Ctrl + C, Ctrl + V
To italicize and make the font bold
Ctrl + I, Ctrl + B
To center align cell contents
Alt + H + A + C
To fill color
Alt + H + H
To add a border
Alt + H + B
To remove outline border
Ctrl + Shift + _
To add an outline to the select cells
Ctrl + Shift + &
To move to the next cell
Tab
To move to the previous cell
Shift + Tab
To select all the cells on the right
Ctrl + Shift + Right arrow
To select all the cells on the left
Ctrl + Shift + Left Arrow
To select the column from the selected cell to the end of the table
Ctrl + Shift + Down Arrow
To select all the cells above the selected cell
Ctrl + Shift + Up Arrow
To select all the cells below the selected cell
Ctrl + Shift + Down Arrow