The Undo feature is a quick way to cancel the recently introduced change and restore the document to its previous state.
This is especially useful when the last performed operation was particularly destructive to the document, like in a situation when you select all of its content and accidentally delete it.
To revert the last action activate the Undo command in two ways:
Since CKEditor defaults to support 20 undo levels you can usually go back as many steps as required.
The Redo feature lets you revert the last undo operation. This means that the document returns to the state it was in before you performed the undo.
To revert the last undo operation activate the Redo command in two ways:
Just like with undo, many redo levels are supported, so you can usually go forward as many steps as required.