Application.Dialogs (Word)
Returns a Dialogs collection that represents all the built-in dialog boxes in Word.
For information about returning a single member of a collection, see Returning an object from a collection. For a list of built-in dialog boxes, see the WdWordDialog enumeration.
Dim dlgFind As Dialog
Set dlgFind = Dialogs(wdDialogEditFind)
With dlgFind
.Find = "Hello"
.Show
End With