Sub MakeEndNotes()
Application.ScreenUpdating = False
Dim eNt As Endnote
With ActiveDocument.Range
  With .Find
    .ClearFormatting
    .Replacement.ClearFormatting
    .MatchWildcards = True
    .Forward = True
    .Format = False
    .Wrap = wdFindStop
    .Text = "\{[!\{]@\}"
  End With
  Do While .Find.Execute = True
    .Characters.First.Text = vbNullString
    .Characters.Last.Text = vbNullString
    Set eNt = .Endnotes.Add(Range:=.Duplicate, Text:="")
    eNt.Range.FormattedText = .FormattedText
    .Text = vbNullString
  Loop
End With
Set eNt = Nothing
Application.ScreenUpdating = True
End Sub