How i can Edit Data With Keyboard

F2
Edit the active cell and position the insertion point at the end of the cell contents.
ALT+ENTER
Start a new line in the same cell.
BACKSPACE
Edit the active cell and then clear it, or delete the preceding character in the active cell as you edit cell contents.
DELETE
Delete the character to the right of the insertion point, or delete the selection.
CTRL+DELETE
Delete text to the end of the line.
F7
Display the Spelling dialog box.
SHIFT+F2
Edit a cell comment.
ENTER
Complete a cell entry and select the next cell below.
CTRL+Z
Undo the last action.
ESC
Cancel a cell entry.
CTRL+SHIFT+Z
When the AutoCorrect Smart Tags is displayed, undo or redo the last automatic correction.