To undo last action in MS Word, shortcut combination is used:

A. Ctrl+W
B. Ctrl+Z 
C. Ctrl+S
D. Ctrl+K

🧠 Explanation:

Ctrl+Z in MS Word undoes the last action, restoring previous states. For tech students, this highlights word processing, making it a key topic for studying digital literacy, editing tools, and productivity. Undo enhances editing. Understanding this ensures effective Word use. It’s essential for mastering document tools. Studying Ctrl+Z offers insights into how software reverses actions, crucial for IT, technical writing, and business.