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When you engage the lock by entering Edit mode, the page is reserved exclusively for your edits until one of the following occurs:
Save Completioncompletion: The page is saved, whether as a Draft or for Review.
Manual Unlockunlock: You click the "Unlock" button at the bottom of the page.
Time Elapseelapse: A 4-hour period expires without any save activity.
Administrative Action: An administrator action: A site admin or approver manually unlocks the page.
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