Find the shortcut key used to undo an action.
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Ctrl + z
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Ctrl + x
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Ctrl + r
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Ctrl + u
A
Correct answer
Explanation
Ctrl + Z undoes the last action in Microsoft Word, reverting changes step by step. This is the universal undo shortcut across Windows applications. Ctrl + X cuts, Ctrl + R redoes (or right-aligns depending on context), and Ctrl + U underlines text. Undo is one of the most frequently used commands.