Formatting in both DotNetTypes.format.ps1xml and Types.ps1xml This topic contains 1 reply, has 2 voices, and was last updated by Don Jones 1 week, 6 days ago. Author Posts July 4, 2018 at 9:57 pm #103943 litParticipant System.Diagnostics.Process has a layout specified in DotNetTypes.format.ps1xml. Why is there another one in Types.ps1xml? July 5, 2018 at 1:33 pm #103981 Don JonesKeymaster The latter is used by the extensible type system, not a layout. Update-FormatData vs Update-TypeData. Author Posts You must be logged in to reply to this topic.