expression.ShowBookmarks
expression Required. An expression that returns a View object.
Example
This example displays square brackets around bookmarks in all windows.
For Each aWindow In Windows
aWindow.View.ShowBookmarks = True
Next aWindow
This example marks the selection with a bookmark, displays square brackets around each bookmark in the active document, and then collapses the selection.
ActiveDocument.Bookmarks.Add Range:=Selection.Range, Name:="temp"
ActiveDocument.ActiveWindow.View.ShowBookmarks = True
Selection.Collapse Direction:=wdCollapseStart