This example closes all windows except the active window.
With Application.Windows
For i = 2 To .Count
.Item(i).Close
Next
End With
This example closes Pres1.ppt without saving changes.
With Application.Presentations("pres1.ppt")
.Saved = True
.Close
End With
This example closes all open presentations.
With Application.Presentations
For i = .Count To 1 Step -1
.Item(i).Close
Next
End With