This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
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Documentation / Mathematica / Front End / Menu Commands / File Menu /

Close

FilledSmallSquare Close closes the currently selected notebook.

FilledSmallSquare When you close notebook windows, Mathematica asks if you want to save any changes made since your previous save.

FilledSmallSquare Keyboard shortcuts: ControlKeyLeftModifiedF4 RightModified(Windows); CommandKeyLeftModifiedw RightModified(Macintosh); ControlKeyLeftModifiedw RightModified(X).