The split originates from:
| Action | Windows | macOS | Notes | |--------|---------|-------|-------| | Undo | Ctrl+Z | Cmd+Z | Extremely consistent | | Redo | Ctrl+Y | Cmd+Shift+Z | Inconsistent across OS & apps | redo hotkey
Users often spam Ctrl+Z then Ctrl+Shift+Z by reflex – but that fails on Windows unless app supports both. The split originates from: | Action | Windows
Some apps offer both Ctrl+Y and Ctrl+Shift+Z for compatibility. It turns a three-second interruption into a millisecond
Using Ctrl + Y or Cmd + Shift + Z keeps your hands on the keyboard and your mind on the task. It turns a three-second interruption into a millisecond reflex. Summary Table: Redo at a Glance Platform/App Shortcut (Windows) Shortcut (Mac) Ctrl + Y Cmd + Shift + Z Adobe Suite Ctrl + Shift + Z Cmd + Shift + Z Microsoft Office Ctrl + Y or F4 Cmd + Y Google Workspace Ctrl + Y Cmd + Shift + Z