You can redo the operations that you undid previously one by one.
Click the Redo icon in the Ribbon.
Click the Redo icon repeatedly if necessary.
While redoable operations are available, the icon is enabled.
You can redo selection one by one by selecting Redo Selection from the Select drop-list in the Ribbon or press Ctrl+F. At least one selection is made, the Redo Selection gets enabled.