Question

difference between undo and redo two points​

Answer 1

Undo

1.Undoes a number of recent actions in a worksheet - such as deletions.

2. Keyboard shortcut- Ctrl+z

Redo

1. Reply or undo what you just undid. If you change your mind about changes you have just made to a worksheet with the undo command, you can re-apply one or more changes with redo

2. Keyboard shortcut-Ctrl+y