Don't panic. Just hit Undo ( Ctrl + Z ) again. You can toggle back and forth as many times as you like to verify the changes.
If you’re hitting the keys and nothing is happening, there are usually three culprits: redo hotkey
In Microsoft Word, Excel, and most Windows-native apps, is the universal "go forward" button. Don't panic
Most programs have a "memory" (buffer) of how many actions they can remember. If you’ve performed 50 actions since your last save, you might have hit the limit. and most Windows-native apps