I'm in Excel 2013 (on Windows 7 and Windows 10).
I use the following Macro by tapping Ctrl+Shift+T to get H:mm:ss in any cell that is formatted in that same way.
Sub Time_Stamp()
' Keyboard Shortcut: Ctrl+Shift+T
ActiveCell.Value = Time()
Selection.NumberFormat = "h:mm:ss"
End Sub
This has...