Ctrl+Z is the keyboard shortcut for Undo — it reverses (undoes) the last action performed in most computer applications. Whether you accidentally deleted text, moved a file, or made a formatting change, pressing Ctrl+Z undoes that action. It works in MS Word, Excel, PowerPoint, Photoshop, browsers, file managers, and most other software.
Ctrl+Z = Undo (reverse last action) in most computer applications.
Works in: MS Word, Excel, PowerPoint, Photoshop, browsers, file managers.
Multiple Ctrl+Z presses undo multiple steps.
Ctrl+Y = Redo (reverse the Undo).
Ctrl+C = Copy; Ctrl+V = Paste; Ctrl+X = Cut.
Ctrl+S = Save; Ctrl+A = Select All; Ctrl+P = Print.
On Mac: Cmd+Z = Undo; Cmd+Shift+Z = Redo.
Ctrl+Z = Undo
Function: Reverses the most recent action Where it works: • MS Word: undoes typing, formatting, deletion • MS Excel: undoes cell edits • MS PowerPoint: undoes slide edits • Adobe Photoshop: undoes last editing step • Web browsers: undoes text input in forms • File Explorer (Windows): undoes file/folder operations
Multiple undos: • Press Ctrl+Z repeatedly to undo multiple steps • Most applications support 'undo history' — up to 50+ steps
Re-doing what was undone: • Ctrl+Y (Windows) or Ctrl+Shift+Z = Redo (repeats the undone action) • Undo and Redo are complementary operations
Common keyboard shortcuts (Windows):
Shortcut | Function Ctrl+Z | Undo (reverse last action) Ctrl+Y | Redo (repeat last undone action) Ctrl+X | Cut (remove and copy to clipboard) Ctrl+C | Copy (copy to clipboard) Ctrl+V | Paste (paste from clipboard) Ctrl+A | Select All Ctrl+S | Save Ctrl+P | Print Ctrl+F | Find (search) Ctrl+H | Find and Replace Ctrl+N | New (file/window/document) Ctrl+O | Open Ctrl+W | Close current window/tab Ctrl+B | Bold Ctrl+I | Italic Ctrl+U | Underline Ctrl+Alt+Del | Task Manager / Security screen Alt+F4 | Close current window Windows key + D | Show/hide Desktop Delete key | Delete selected file/text Shift+Delete | Permanently delete (bypass Recycle Bin) Ctrl+Z | Undo — most important
Mac equivalents: • Cmd+Z = Undo • Cmd+Shift+Z = Redo • Cmd+C = Copy, Cmd+V = Paste, Cmd+X = Cut
Ctrl+Z is used for the Undo command — it reverses the last action performed in most computer applications (MS Word, Excel, Photoshop, etc.). Press it multiple times to undo several steps. The complementary shortcut Ctrl+Y (or Ctrl+Shift+Z) is used for Redo.
Ctrl+Z is the undo shortcut key in Windows. On Mac, it is Cmd+Z. Ctrl+Z reverses the last action — whether typing, formatting, deletion, or any other change in most applications.
Bharat Ratna Award — Benefits and Privileges
Learn about the benefits of the Bharat Ratna award. Do Bharat Ratna awardees get prize money? Find out the VVIP privileges, flights, and diplomatic status.
Biggest Bridge in India
The biggest bridge in India is Atal Setu (Mumbai Trans Harbour Link) — 21.8 km long, inaugurated January 2024. Longest sea bridge in India. Key facts and other long bridges.
Biggest Dam in India — Tallest, Longest and Largest by Volume
Tehri Dam (Uttarakhand) is India's tallest dam at 260.5 m. Hirakud Dam (Odisha) is the longest. Bhakra Nangal is most famous. Top dams in India with key facts.
बिहार से झारखंड कब अलग हुआ था?
जानें बिहार से झारखंड राज्य कब अलग हुआ था। 15 नवंबर 2000 का इतिहास, बिरसा मुंडा की जयंती, और झारखंड को अलग राज्य बनाने के मुख्य कारण।
Bilateral Polycystic Ovaries — What It Means
Bilateral polycystic ovaries means both ovaries have multiple small cysts — key finding in PCOS (Polycystic Ovary Syndrome). Symptoms, causes, and treatment explained.
Turn this guide into revision flashcards, a practice exam, or an AI-generated podcast — free, no signup required.