To the next Cell in a row (Tab)
To the previous Cell in a row (Shift + Tab)
To the First Cell in a row (Alt + Home)
To the last Cell in a row (Alt + End)
To the first Cell in a column (Alt + Page Up)
To the last Cell in a column (Alt + Page Down)
To the previous row (Up arrow)
To the next row (Down arrow)
Row Up (Alt + Shift + Up arrow)
Row Down (Alt + Shift + Down arrow)