GroupDocs.Metadata for .NET provides functionality that allows working with MPP files created by different versions of Microsoft Project. Please see the code samples below for more information.
Reading built-In metadata properties To access built-in metadata of a ProjectManagement document, please use the DocumentProperties property defined in the DocumentRootPackage class.
The following code snippet extracts built-in metadata properties and displays them on the screen.
AdvancedUsage.ManagingMetadataForSpecificFormats.Document.ProjectManagement.ProjectManagementReadBuiltInProperties
using (Metadata metadata = new Metadata(Constants.InputMpp)) { var root = metadata.... DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, images and more with...