ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Desktop.Core Namespace / ProApp Class / ProjectFileExtension Property
Version

    ProjectFileExtension Property (ProApp)
    Gets the project file extension
    Syntax
    public override string ProjectFileExtension {get;}
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.0 or higher.
    See Also