The file format indicator (currently, the major release version such as "2019") used for saving the file.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)
Since:  2019

Syntax

C#
public string Format { get; }
Visual Basic
Public ReadOnly Property Format As String
	Get
Visual C++
public:
property String^ Format {
	String^ get ();
}

See Also