To Undo your changes in a document:
Hit Ctrl+Z or choose Undo from the Edit Menu
To undo all changes in a document since you last saved it,
Choose Revert from the Edit Menu. This will close your working file without saving it before, and re-open it, presenting you with the last saved version.
To Redo changes in a document,
Hit Ctrl+Y or choose Redo from the Edit Menu
Note
As soon as a
file has been changed, there will be an asterisk * at the
end of the file name in Notpadīs window title bar. The asterisk
will disappear after saving, indicating that the data you see on
screen and the data on the disk no longer differ.
See Also