How to: Undo a single previous file operation.
Solution:
Select 'Undo' from the 'Edit' menu.
1) Double-click the window from which the file action was performed (i.e., Windows Explorer) or a window where the file was moved.
2) Select the 'Edit' menu and select 'Undo <action>', where <action> is the last action performed.
'Undo' from 'Edit' menu
EXAMPLE: If renaming a file was the last action performed, then 'Undo Rename' appears.
